Errors

use_warnings

Math::OEIS, Math::OEIS::Grep, Math::OEIS::Names, Math::OEIS::SortedFile, Math::OEIS::Stripped

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sun 03 Apr 2016 01:33:44 PM JST
gpg:                using DSA key 2C5302215F6ADD3A
gpg: Can't check signature: No public key