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.

A064355 Number of subsets of {1,2,..n} that sum to 1 mod n.

Table of values

n a(n)
1 2
2 2
3 2
4 4
5 6
6 10
7 18
8 32
9 56
10 102
11 186
12 340
13 630
14 1170
15 2182
16 4096
17 7710
18 14560
19 27594
20 52428
21 99858
22 190650
23 364722
24 699040
25 1342176
26 2581110
27 4971008
28 9586980
29 18512790
30 35791358
31 69273666
32 134217728
33 260300986
34 505290270
35 981706806
36 1908874240
37 3714566310

List of values

[2, 2, 2, 4, 6, 10, 18, 32, 56, 102, 186, 340, 630, 1170, 2182, 4096, 7710, 14560, 27594, 52428, 99858, 190650, 364722, 699040, 1342176, 2581110, 4971008, 9586980, 18512790, 35791358, 69273666, 134217728, 260300986, 505290270, 981706806, 1908874240, 3714566310]

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

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