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.

A262937 Numbers k such that (28*10^k - 13) / 3 is prime.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 5
6 8
7 10
8 14
9 17
10 20
11 33
12 64
13 80
14 152
15 158
16 166
17 194
18 196
19 198
20 901
21 971
22 1289
23 1595
24 2921
25 14390
26 28781
27 35840

List of values

[0, 1, 2, 4, 5, 8, 10, 14, 17, 20, 33, 64, 80, 152, 158, 166, 194, 196, 198, 901, 971, 1289, 1595, 2921, 14390, 28781, 35840]