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.

A278397 Numbers k such that 10^k - 20001 is prime.

Table of values

n a(n)
1 5
2 11
3 16
4 21
5 37
6 83
7 94
8 299
9 318
10 467
11 622
12 707
13 1931
14 2175
15 2189
16 2238
17 2526
18 5202
19 10541
20 15822
21 17407
22 19919
23 19998
24 25407
25 96377
26 118009

List of values

[5, 11, 16, 21, 37, 83, 94, 299, 318, 467, 622, 707, 1931, 2175, 2189, 2238, 2526, 5202, 10541, 15822, 17407, 19919, 19998, 25407, 96377, 118009]