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.

A247219 Positive numbers m such that m^2 - 1 divides 2^m - 1.

Table of values

n a(n)
1 2
2 4
3 16
4 36
5 256
6 456
7 1296
8 2556
9 4356
10 6480
11 8008
12 11952
13 26320
14 44100
15 47520
16 47880
17 49680
18 57240
19 65536
20 74448
21 84420
22 97812
23 141156
24 157080
25 165600
26 225456
27 278496
28 310590
29 333432
30 365940
31 403900
32 419710
33 476736
34 557040
35 560736
36 576720
37 647088
38 1011960
39 1033056
40 1204560
41 1206180

List of values

[2, 4, 16, 36, 256, 456, 1296, 2556, 4356, 6480, 8008, 11952, 26320, 44100, 47520, 47880, 49680, 57240, 65536, 74448, 84420, 97812, 141156, 157080, 165600, 225456, 278496, 310590, 333432, 365940, 403900, 419710, 476736, 557040, 560736, 576720, 647088, 1011960, 1033056, 1204560, 1206180]

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

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