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.

A333467 Array read by antidiagonals: T(n,k) is the number of k-regular multigraphs on n labeled nodes, loops allowed, n >= 0, k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 0
5 1
6 1
7 1
8 1
9 1
10 1
11 0
12 2
13 0
14 1
15 1
16 1
17 2
18 5
19 3
20 1
21 1
22 0
23 3
24 0
25 17
26 0
27 1
28 1
29 1
30 3
31 15
32 47
33 73
34 15
35 1
36 1
37 0
38 4
39 0
40 138
41 0
42 388
43 0
44 1
45 1
46 1
47 4
48 34
49 306
50 2021
51 4720
52 2461
53 105
54 1
55 1
56 0
57 5
58 0
59 670
60 0
61 43581
62 0
63 18155
64 0
65 1
66 1
67 1
68 5
69 65
70 1270
71 25050
72 291001
73 1295493
74 1256395
75 152531
76 945
77 1

List of values

[1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 1, 2, 5, 3, 1, 1, 0, 3, 0, 17, 0, 1, 1, 1, 3, 15, 47, 73, 15, 1, 1, 0, 4, 0, 138, 0, 388, 0, 1, 1, 1, 4, 34, 306, 2021, 4720, 2461, 105, 1, 1, 0, 5, 0, 670, 0, 43581, 0, 18155, 0, 1, 1, 1, 5, 65, 1270, 25050, 291001, 1295493, 1256395, 152531, 945, 1]