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.

A333397 Array read by antidiagonals: T(n,k) is the number of connected k-regular multigraphs on n unlabeled nodes, loops allowed, n >= 0, k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 0
5 0
6 1
7 1
8 1
9 0
10 1
11 0
12 1
13 0
14 0
15 1
16 1
17 2
18 1
19 0
20 0
21 1
22 0
23 2
24 0
25 1
26 0
27 0
28 1
29 1
30 3
31 4
32 5
33 1
34 0
35 0
36 1
37 0
38 3
39 0
40 10
41 0
42 1
43 0
44 0
45 1
46 1
47 4
48 9
49 26
50 28
51 17
52 1
53 0
54 0
55 1
56 0
57 4
58 0
59 47
60 0
61 97
62 0
63 1
64 0
65 0
66 1
67 1
68 5
69 17
70 91
71 291
72 639
73 359
74 71
75 1
76 0
77 0
78 1
79 0
80 5
81 0
82 149
83 0
84 2789
85 0
86 1635
87 0
88 1
89 0
90 0

List of values

[1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 2, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 1, 3, 4, 5, 1, 0, 0, 1, 0, 3, 0, 10, 0, 1, 0, 0, 1, 1, 4, 9, 26, 28, 17, 1, 0, 0, 1, 0, 4, 0, 47, 0, 97, 0, 1, 0, 0, 1, 1, 5, 17, 91, 291, 639, 359, 71, 1, 0, 0, 1, 0, 5, 0, 149, 0, 2789, 0, 1635, 0, 1, 0, 0]