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.

A136473 Primitive elements of the sequence of integers n such that n divides 2^n + 1 (A006521).

Table of values

n a(n)
1 1
2 3
3 171
4 13203
5 97641
6 354537
7 2354697
8 10970073
9 29884473
10 33894369
11 38265939
12 74214171
13 116226009
14 344380329
15 751611177
16 892145817
17 2595432537
18 4014314433
19 10161972027
20 11852199369
21 13229694441
22 22032887841
23 22230967347
24 22864359897
25 24020090001
26 26761542921
27 27439598619
28 27932906619
29 37498011939
30 166111451217
31 189836046171

List of values

[1, 3, 171, 13203, 97641, 354537, 2354697, 10970073, 29884473, 33894369, 38265939, 74214171, 116226009, 344380329, 751611177, 892145817, 2595432537, 4014314433, 10161972027, 11852199369, 13229694441, 22032887841, 22230967347, 22864359897, 24020090001, 26761542921, 27439598619, 27932906619, 37498011939, 166111451217, 189836046171]

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

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