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.

A272271 Numbers k such that 7*10^k - 23 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 23
5 29
6 34
7 35
8 38
9 52
10 57
11 61
12 82
13 186
14 209
15 251
16 366
17 394
18 426
19 786
20 979
21 1382
22 2037
23 4557
24 8995
25 12774
26 19170
27 21828
28 23259
29 32003
30 41831
31 44999
32 56785
33 76483
34 97987
35 110468

List of values

[1, 2, 3, 23, 29, 34, 35, 38, 52, 57, 61, 82, 186, 209, 251, 366, 394, 426, 786, 979, 1382, 2037, 4557, 8995, 12774, 19170, 21828, 23259, 32003, 41831, 44999, 56785, 76483, 97987, 110468]

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

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