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.

A329546 Triangle read by rows: T(n,k) is the number of colored digraphs on n nodes with exactly k colors arbitrarily assigned (1 <= k <= n).

Table of values

n a(n)
1 1
2 3
3 4
4 16
5 72
6 64
7 218
8 2608
9 6336
10 4096
11 9608
12 272752
13 1336320
14 2113536
15 1048576
16 1540944
17 93847104
18 812045184
19 2337046528
20 2689597440
21 1073741824
22 882033440
23 110518842048
24 1580861402112
25 7344135176192
26 14676310097920
27 13200581984256
28 4398046511104

List of values

[1, 3, 4, 16, 72, 64, 218, 2608, 6336, 4096, 9608, 272752, 1336320, 2113536, 1048576, 1540944, 93847104, 812045184, 2337046528, 2689597440, 1073741824, 882033440, 110518842048, 1580861402112, 7344135176192, 14676310097920, 13200581984256, 4398046511104]