| Math::NumSeq |
number sequences |
31 |
metacpan |
| Math::NumSeq::Abundant |
abundant numbers, greater than sum of divisors |
31 |
metacpan |
| Math::NumSeq::All |
all integers |
31 |
metacpan |
| Math::NumSeq::AllDigits |
digits of the integers |
31 |
metacpan |
| Math::NumSeq::AlmostPrimes |
semiprimes and other fixed number of prime factors |
31 |
metacpan |
| Math::NumSeq::AsciiSelf |
sequence is its own ASCII digits |
31 |
metacpan |
| Math::NumSeq::Base::Array |
|
31 |
metacpan |
| Math::NumSeq::Base::Digits |
|
31 |
metacpan |
| Math::NumSeq::Base::IterateIth |
|
31 |
metacpan |
| Math::NumSeq::Base::IteratePred |
|
31 |
metacpan |
| Math::NumSeq::Base::Sparse |
|
31 |
metacpan |
| Math::NumSeq::BaumSweet |
Baum-Sweet sequence |
31 |
metacpan |
| Math::NumSeq::Beastly |
numbers containing digits "666" |
31 |
metacpan |
| Math::NumSeq::CollatzSteps |
steps in the "3n+1" problem |
31 |
metacpan |
| Math::NumSeq::Cubes |
cubes i^3 |
31 |
metacpan |
| Math::NumSeq::CullenNumbers |
Cullen numbers i*2^i+1 |
31 |
metacpan |
| Math::NumSeq::DigitCount |
count of a given digit |
31 |
metacpan |
| Math::NumSeq::DigitCountHigh |
count of given high digits |
31 |
metacpan |
| Math::NumSeq::DigitCountLow |
count of given low digits |
31 |
metacpan |
| Math::NumSeq::DigitLength |
length in digits |
31 |
metacpan |
| Math::NumSeq::DigitLengthCumulative |
total length in digits of numbers 1 to i |
31 |
metacpan |
| Math::NumSeq::DigitProduct |
product of digits |
31 |
metacpan |
| Math::NumSeq::DigitSum |
sum of digits, possibly with powering |
31 |
metacpan |
| Math::NumSeq::DigitSumModulo |
digit sum taken modulo a given modulus |
31 |
metacpan |
| Math::NumSeq::DivisorCount |
how many divisors |
31 |
metacpan |
| Math::NumSeq::Emirps |
primes backwards and forwards |
31 |
metacpan |
| Math::NumSeq::Even |
even integers |
31 |
metacpan |
| Math::NumSeq::Expression |
mathematical expression values |
31 |
metacpan |
| Math::NumSeq::Factorials |
factorials 1*2*...*i |
31 |
metacpan |
| Math::NumSeq::Fibbinary |
without consecutive 1 bits |
31 |
metacpan |
| Math::NumSeq::FibbinaryBitCount |
number of bits in each fibbinary number |
31 |
metacpan |
| Math::NumSeq::Fibonacci |
Fibonacci numbers |
31 |
metacpan |
| Math::NumSeq::FibonacciWord |
0/1 related to Fibonacci numbers |
31 |
metacpan |
| Math::NumSeq::File |
|
31 |
metacpan |
| Math::NumSeq::FractionDigits |
the digits of a fraction p/q |
31 |
metacpan |
| Math::NumSeq::GolombSequence |
sequence is its own run lengths, 1 upwards |
31 |
metacpan |
| Math::NumSeq::HappyNumbers |
reaching 1 under repeated sum of squares of digits |
31 |
metacpan |
| Math::NumSeq::HappySteps |
number of sum of squares of digits iterations to reach a repeat |
31 |
metacpan |
| Math::NumSeq::HarshadNumbers |
numbers divisible by sum of digits |
31 |
metacpan |
| Math::NumSeq::JugglerSteps |
steps in the juggler sqrt sequence |
31 |
metacpan |
| Math::NumSeq::KlarnerRado |
Klarner-Rado sequences |
31 |
metacpan |
| Math::NumSeq::Kolakoski |
sequence of 1s and 2s its own run lengths |
31 |
metacpan |
| Math::NumSeq::LiouvilleFunction |
Liouville function sequence |
31 |
metacpan |
| Math::NumSeq::LucasNumbers |
Lucas numbers |
31 |
metacpan |
| Math::NumSeq::MephistoWaltz |
Mephisto waltz sequence |
31 |
metacpan |
| Math::NumSeq::MobiusFunction |
Mobius function sequence |
31 |
metacpan |
| Math::NumSeq::Modulo |
remainders modulo of a given number |
31 |
metacpan |
| Math::NumSeq::Multiples |
multiples of a given number |
31 |
metacpan |
| Math::NumSeq::NumAronson |
numerical version of Aronson's sequence |
31 |
metacpan |
| Math::NumSeq::OEIS |
number sequence by OEIS A-number |
31 |
metacpan |
| Math::NumSeq::OEIS::Catalogue |
available A-numbers |
31 |
metacpan |
| Math::NumSeq::OEIS::Catalogue::Plugin |
pluggable catalogue extensions |
31 |
metacpan |
| Math::NumSeq::OEIS::Catalogue::Plugin::BuiltinTable |
|
31 |
metacpan |
| Math::NumSeq::OEIS::Catalogue::Plugin::FractionDigits |
|
31 |
metacpan |
| Math::NumSeq::OEIS::Catalogue::Plugin::ZZ_Files |
|
31 |
metacpan |
| Math::NumSeq::OEIS::File |
|
31 |
metacpan |
| Math::NumSeq::Odd |
odd integers |
31 |
metacpan |
| Math::NumSeq::Palindromes |
palindrome numbers like 15351 |
31 |
metacpan |
| Math::NumSeq::Pell |
Pell numbers |
31 |
metacpan |
| Math::NumSeq::Perrin |
Perrin sequence |
31 |
metacpan |
| Math::NumSeq::PolignacObstinate |
odd integers not prime+2^k |
31 |
metacpan |
| Math::NumSeq::Polygonal |
polygonal numbers, triangular, square, pentagonal, etc |
31 |
metacpan |
| Math::NumSeq::PowerPart |
largest square root etc divisor |
31 |
metacpan |
| Math::NumSeq::Powerful |
numbers with certain prime powers |
31 |
metacpan |
| Math::NumSeq::PrimeFactorCount |
how many prime factors |
31 |
metacpan |
| Math::NumSeq::Primes |
prime numbers |
31 |
metacpan |
| Math::NumSeq::Primorials |
primorials 2*3*...*p[i] |
31 |
metacpan |
| Math::NumSeq::Pronic |
pronic numbers |
31 |
metacpan |
| Math::NumSeq::ProthNumbers |
Proth number sequence |
31 |
metacpan |
| Math::NumSeq::PythagoreanHypots |
hypotenuses of Pythagorean triples |
31 |
metacpan |
| Math::NumSeq::RadixWithoutDigit |
integers without a given digit |
31 |
metacpan |
| Math::NumSeq::ReRound |
sequence from repeated rounding up |
31 |
metacpan |
| Math::NumSeq::RepdigitAny |
numbers which are a repdigit in any radix |
31 |
metacpan |
| Math::NumSeq::RepdigitRadix |
radix in which i is a repdigit |
31 |
metacpan |
| Math::NumSeq::Repdigits |
repdigits 11, 22, 33, etc |
31 |
metacpan |
| Math::NumSeq::ReverseAdd |
steps of the reverse-add algorithm |
31 |
metacpan |
| Math::NumSeq::ReverseAddSteps |
steps of the reverse-add algorithm to reach palindrome |
31 |
metacpan |
| Math::NumSeq::SophieGermainPrimes |
Sophie Germain primes p and 2*p+1 prime |
31 |
metacpan |
| Math::NumSeq::SqrtContinued |
continued fraction expansion of a square root |
31 |
metacpan |
| Math::NumSeq::SqrtContinuedPeriod |
period of the continued fraction for sqrt(i) |
31 |
metacpan |
| Math::NumSeq::SqrtDigits |
the digits of a square root |
31 |
metacpan |
| Math::NumSeq::SqrtEngel |
Engel expansion of a square root |
31 |
metacpan |
| Math::NumSeq::Squares |
perfect squares |
31 |
metacpan |
| Math::NumSeq::StarNumbers |
star numbers 6*i*(i-1)+1 |
31 |
metacpan |
| Math::NumSeq::SternDiatomic |
Stern's diatomic sequence |
31 |
metacpan |
| Math::NumSeq::Tetrahedral |
tetrahedral numbers i*(i+1)*(i+2)/6 |
31 |
metacpan |
| Math::NumSeq::Totient |
Euler's totient function, count of coprimes |
31 |
metacpan |
| Math::NumSeq::TotientCumulative |
cumulative totients |
31 |
metacpan |
| Math::NumSeq::TotientPerfect |
sum of repeated totients is N itself |
31 |
metacpan |
| Math::NumSeq::TotientSteps |
count of repeated totients to reach 1 |
31 |
metacpan |
| Math::NumSeq::TotientStepsSum |
sum of repeated totients to reach 1 |
31 |
metacpan |
| Math::NumSeq::Triangular |
triangular numbers |
31 |
metacpan |
| Math::NumSeq::Tribonacci |
Tribonacci numbers |
31 |
metacpan |
| Math::NumSeq::TwinPrimes |
twin primes |
31 |
metacpan |
| Math::NumSeq::UlamSequence |
integers uniquely the sum of two previous terms |
31 |
metacpan |
| Math::NumSeq::WoodallNumbers |
Woodall numbers i*2^i-1 |
31 |
metacpan |