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.

A062227 Numbers k such that the smoothly undulating palindromic number (91*10^k - 19)/99 is a prime.

Table of values

n a(n)
1 3
2 9
3 11
4 17
5 23
6 25229

List of values

[3, 9, 11, 17, 23, 25229]