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.

A154297 Primes of the form (1+2+3+...+m)/21 = A000217(m)/21, for some m.

Table of values

n a(n)
1 5
2 11
3 41
4 43

List of values

[5, 11, 41, 43]