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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.

A112881 Indices of prime Perrin numbers; values of n such that A001608(n) is prime.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 10
8 12
9 20
10 21
11 24
12 34
13 38
14 75
15 122
16 166
17 236
18 355
19 356
20 930
21 1042
22 1214
23 1461
24 1622
25 4430
26 5802
27 9092
28 16260
29 18926
30 23698
31 40059
32 45003
33 73807
34 91405
35 263226
36 316872
37 321874
38 324098
39 581132
40 939189
41 1034005
42 1430138

List of values

[2, 3, 4, 5, 6, 7, 10, 12, 20, 21, 24, 34, 38, 75, 122, 166, 236, 355, 356, 930, 1042, 1214, 1461, 1622, 4430, 5802, 9092, 16260, 18926, 23698, 40059, 45003, 73807, 91405, 263226, 316872, 321874, 324098, 581132, 939189, 1034005, 1430138]

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

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