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.

A322279 Array read by antidiagonals: T(n,k) is the number of connected graphs on n labeled nodes, each node being colored with one of k colors, where no edge connects two nodes of the same color.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 0
9 0
10 1
11 3
12 2
13 0
14 0
15 1
16 4
17 6
18 6
19 0
20 0
21 1
22 5
23 12
24 42
25 38
26 0
27 0
28 1
29 6
30 20
31 132
32 618
33 390
34 0
35 0
36 1
37 7
38 30
39 300
40 3156
41 15990
42 6062
43 0
44 0
45 1
46 8
47 42
48 570
49 9980
50 136980
51 668526
52 134526
53 0
54 0
55 1
56 9
57 56
58 966
59 24330
60 616260
61 10015092
62 43558242
63 4172198
64 0
65 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 3, 2, 0, 0, 1, 4, 6, 6, 0, 0, 1, 5, 12, 42, 38, 0, 0, 1, 6, 20, 132, 618, 390, 0, 0, 1, 7, 30, 300, 3156, 15990, 6062, 0, 0, 1, 8, 42, 570, 9980, 136980, 668526, 134526, 0, 0, 1, 9, 56, 966, 24330, 616260, 10015092, 43558242, 4172198, 0, 0]