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.

A165652 Number of disconnected 2-regular graphs on n vertices.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 1
8 2
9 3
10 4
11 5
12 8
13 9
14 12
15 16
16 20
17 24
18 32
19 38
20 48
21 59
22 72
23 87
24 109
25 129
26 157
27 190
28 229
29 272
30 330
31 390
32 467
33 555
34 659
35 778
36 926
37 1086
38 1283
39 1509
40 1774
41 2074
42 2437
43 2841
44 3322
45 3871
46 4509
47 5236
48 6094
49 7055
50 8181
51 9464
52 10944
53 12624
54 14577
55 16778
56 19322
57 22209

List of values

[0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 8, 9, 12, 16, 20, 24, 32, 38, 48, 59, 72, 87, 109, 129, 157, 190, 229, 272, 330, 390, 467, 555, 659, 778, 926, 1086, 1283, 1509, 1774, 2074, 2437, 2841, 3322, 3871, 4509, 5236, 6094, 7055, 8181, 9464, 10944, 12624, 14577, 16778, 19322, 22209]

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

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