cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A308516 Odd numbers which are not squares and cannot be written as a sum of a prime and a square.

Original entry on oeis.org

85, 91, 771, 1255, 1351, 21679
Offset: 1

Views

Author

Daniel Starodubtsev, Jun 03 2019

Keywords

Comments

The sequence is probably finite. a(7) > 2000000 (if it exists).
a(7) > 1.5*10^11, if it exists. - Giovanni Resta, Jul 16 2019

Crossrefs

A subsequence of A020495.