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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.

A124881 Numbers k such that A124837(k) is prime.

Table of values

n a(n)
1 2
2 3
3 9
4 15
5 25
6 27
7 33
8 45
9 55
10 67
11 70
12 93
13 94
14 97
15 112
16 113
17 125
18 137
19 189
20 193
21 212
22 232
23 262
24 273
25 281
26 381
27 453
28 528
29 670
30 677
31 742
32 743
33 827
34 996
35 1257
36 1349
37 1402
38 1645
39 1683
40 2110
41 2217
42 2408
43 2480
44 2623
45 3208
46 3517
47 3637
48 3665
49 4571
50 4730

List of values

[2, 3, 9, 15, 25, 27, 33, 45, 55, 67, 70, 93, 94, 97, 112, 113, 125, 137, 189, 193, 212, 232, 262, 273, 281, 381, 453, 528, 670, 677, 742, 743, 827, 996, 1257, 1349, 1402, 1645, 1683, 2110, 2217, 2408, 2480, 2623, 3208, 3517, 3637, 3665, 4571, 4730]

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

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