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.

A374770 a(n) is the number of subsets x of Z_n such that #x * #y = n and x + y = Z_n for some subset y of Z_n.

Table of values

n a(n)
1 1
2 3
3 4
4 11
5 6
6 24
7 8
8 59
9 40
10 68
11 12
12 284
13 14
14 192
15 384
16 795
17 18
18 1590
19 20
20 2876
21 2552
22 2192
23 24
24 17972
25 3156
26 8388
27 20560
28 35620
29 30
30 116474
31 32
32 144091
33 178512
34 131396
35 94968
36 1118426
37 38
38 524688
39 1596560
40 2569884
41 42
42 7280934
43 44

List of values

[1, 3, 4, 11, 6, 24, 8, 59, 40, 68, 12, 284, 14, 192, 384, 795, 18, 1590, 20, 2876, 2552, 2192, 24, 17972, 3156, 8388, 20560, 35620, 30, 116474, 32, 144091, 178512, 131396, 94968, 1118426, 38, 524688, 1596560, 2569884, 42, 7280934, 44]