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.

A291611 Numbers k such that 5*10^k + 81 is prime.

Table of values

n a(n)
1 1
2 3
3 6
4 16
5 30
6 33
7 36
8 37
9 85
10 288
11 561
12 805
13 850
14 1057
15 1192
16 1312
17 2571
18 4579
19 5223
20 5940
21 10191
22 18756
23 24564
24 29595
25 43891
26 65905
27 89118
28 97963
29 112003
30 139945
31 174101
32 195221

List of values

[1, 3, 6, 16, 30, 33, 36, 37, 85, 288, 561, 805, 850, 1057, 1192, 1312, 2571, 4579, 5223, 5940, 10191, 18756, 24564, 29595, 43891, 65905, 89118, 97963, 112003, 139945, 174101, 195221]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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