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.

A186521 Numbers n>0 such that (7*10^(n+2)+666)*10^n+7 is prime.

Table of values

n a(n)
1 1
2 3
3 6
4 7
5 49
6 578
7 793
8 1322
9 1392
10 2392
11 3066
12 13479

List of values

[1, 3, 6, 7, 49, 578, 793, 1322, 1392, 2392, 3066, 13479]