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.

A322278 Triangle read by rows: T(n,k) is the number of k-colored connected graphs on n labeled nodes up to permutation of the colors.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 3
6 4
7 0
8 19
9 84
10 38
11 0
12 195
13 2470
14 3140
15 728
16 0
17 3031
18 108390
19 307390
20 186360
21 26704
22 0
23 67263
24 7192444
25 42747460
26 52630060
27 18926544
28 1866256
29 0
30 2086099
31 726782784
32 9030799218
33 20784069600
34 14401134944
35 3463311488
36 251548592

List of values

[1, 0, 1, 0, 3, 4, 0, 19, 84, 38, 0, 195, 2470, 3140, 728, 0, 3031, 108390, 307390, 186360, 26704, 0, 67263, 7192444, 42747460, 52630060, 18926544, 1866256, 0, 2086099, 726782784, 9030799218, 20784069600, 14401134944, 3463311488, 251548592]