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.

A377856 Numbers k such that (21^k + 2^k)/23 is prime.

Table of values

n a(n)
1 11
2 17
3 47
4 2663

List of values

[11, 17, 47, 2663]