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.

A076263 Triangle read by rows: T(n,k) = number of nonisomorphic connected graphs with n vertices and k edges (n >= 1, n-1 <= k <= n(n-1)/2).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 1
8 1
9 3
10 5
11 5
12 4
13 2
14 1
15 1
16 6
17 13
18 19
19 22
20 20
21 14
22 9
23 5
24 2
25 1
26 1
27 11
28 33
29 67
30 107
31 132
32 138
33 126
34 95
35 64
36 40
37 21
38 10
39 5
40 2
41 1
42 1
43 23
44 89
45 236
46 486
47 814
48 1169
49 1454
50 1579
51 1515
52 1290
53 970
54 658
55 400
56 220
57 114
58 56
59 24
60 11
61 5
62 2
63 1
64 1
65 47
66 240
67 797
68 2075
69 4495

List of values

[1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 5, 4, 2, 1, 1, 6, 13, 19, 22, 20, 14, 9, 5, 2, 1, 1, 11, 33, 67, 107, 132, 138, 126, 95, 64, 40, 21, 10, 5, 2, 1, 1, 23, 89, 236, 486, 814, 1169, 1454, 1579, 1515, 1290, 970, 658, 400, 220, 114, 56, 24, 11, 5, 2, 1, 1, 47, 240, 797, 2075, 4495]