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.

A106240 Triangle read by rows: T(n,m) = number of unlabeled cographs on n nodes with m connected components.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 1
7 5
8 3
9 1
10 1
11 12
12 7
13 3
14 1
15 1
16 33
17 20
18 8
19 3
20 1
21 1
22 90
23 55
24 22
25 8
26 3
27 1
28 1
29 261
30 162
31 63
32 23
33 8
34 3
35 1
36 1
37 766
38 477
39 188
40 65
41 23
42 8
43 3
44 1
45 1
46 2312
47 1450
48 564
49 196
50 66
51 23
52 8
53 3
54 1
55 1
56 7068
57 4446
58 1732
59 590
60 198
61 66
62 23
63 8
64 3
65 1
66 1
67 21965
68 13858
69 5384
70 1824
71 598
72 199
73 66
74 23
75 8
76 3
77 1
78 1

List of values

[1, 1, 1, 2, 1, 1, 5, 3, 1, 1, 12, 7, 3, 1, 1, 33, 20, 8, 3, 1, 1, 90, 55, 22, 8, 3, 1, 1, 261, 162, 63, 23, 8, 3, 1, 1, 766, 477, 188, 65, 23, 8, 3, 1, 1, 2312, 1450, 564, 196, 66, 23, 8, 3, 1, 1, 7068, 4446, 1732, 590, 198, 66, 23, 8, 3, 1, 1, 21965, 13858, 5384, 1824, 598, 199, 66, 23, 8, 3, 1, 1]