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.

A192517 Table read by antidiagonals: T(n,k) = number of multigraphs with n vertices and k edges, with no loops allowed (n >= 1, k >= 0).

Table of values

n a(n)
1 1
2 1
3 0
4 1
5 1
6 0
7 1
8 1
9 1
10 0
11 1
12 1
13 2
14 1
15 0
16 1
17 1
18 3
19 3
20 1
21 0
22 1
23 1
24 3
25 6
26 4
27 1
28 0
29 1
30 1
31 3
32 7
33 11
34 5
35 1
36 0
37 1
38 1
39 3
40 8
41 17
42 18
43 7
44 1
45 0
46 1
47 1
48 3
49 8
50 21
51 35
52 32
53 8
54 1
55 0
56 1
57 1
58 3
59 8
60 22
61 52
62 76
63 48
64 10
65 1
66 0
67 1
68 1
69 3
70 8
71 23
72 60
73 132
74 149
75 75
76 12
77 1
78 0

List of values

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 1, 0, 1, 1, 3, 3, 1, 0, 1, 1, 3, 6, 4, 1, 0, 1, 1, 3, 7, 11, 5, 1, 0, 1, 1, 3, 8, 17, 18, 7, 1, 0, 1, 1, 3, 8, 21, 35, 32, 8, 1, 0, 1, 1, 3, 8, 22, 52, 76, 48, 10, 1, 0, 1, 1, 3, 8, 23, 60, 132, 149, 75, 12, 1, 0]