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.

A283755 Irregular triangular array read by rows: T(n,k) = number of non-isomorphic unlabeled connected graphs with loops on n nodes and with k edges.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 3
9 2
10 1
11 2
12 6
13 11
14 13
15 10
16 5
17 2
18 1
19 3
20 14
21 35
22 61
23 75
24 68
25 49
26 28
27 13
28 5
29 2
30 1
31 6
32 33
33 112
34 262
35 463
36 625
37 684
38 620
39 468
40 301
41 170
42 82
43 35
44 14
45 5
46 2
47 1
48 11
49 81
50 347
51 1059
52 2458
53 4565
54 7018
55 9122
56 10186
57 9878
58 8366
59 6219
60 4085
61 2377
62 1232
63 582
64 251
65 98
66 37
67 14
68 5
69 2
70 1
71 23
72 204
73 1085
74 4091
75 12014
76 28779
77 58162
78 101315
79 154484
80 208321
81 250120
82 268649
83 258994

List of values

[1, 1, 1, 1, 1, 1, 3, 3, 2, 1, 2, 6, 11, 13, 10, 5, 2, 1, 3, 14, 35, 61, 75, 68, 49, 28, 13, 5, 2, 1, 6, 33, 112, 262, 463, 625, 684, 620, 468, 301, 170, 82, 35, 14, 5, 2, 1, 11, 81, 347, 1059, 2458, 4565, 7018, 9122, 10186, 9878, 8366, 6219, 4085, 2377, 1232, 582, 251, 98, 37, 14, 5, 2, 1, 23, 204, 1085, 4091, 12014, 28779, 58162, 101315, 154484, 208321, 250120, 268649, 258994]