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.

A231426 Least prime such that at most n digits may be appended to the right, preserving primality at each step.

Table of values

n a(n)
0 53
1 11
2 97
3 17
4 71
5 43
6 13
7 2
8 19
9 103
10 409
11 1457011
12 2744903797
13 5232781111

List of values

[53, 11, 97, 17, 71, 43, 13, 2, 19, 103, 409, 1457011, 2744903797, 5232781111]