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.

A327675 Number of colored compositions of n using all colors of an initial interval of the color palette such that all parts have different color patterns and the patterns for parts i are sorted and have i colors (in arbitrary order).

Table of values

n a(n)
0 1
1 1
2 4
3 40
4 355
5 4425
6 69521
7 1162951
8 22259414
9 478096938
10 11614132907
11 299700810545
12 8456607358157
13 255883964141333
14 8275199908539114
15 287869753459458468
16 10564476589147507523
17 409845503129745719513
18 16777378294629533764699
19 720626728499888159724831

List of values

[1, 1, 4, 40, 355, 4425, 69521, 1162951, 22259414, 478096938, 11614132907, 299700810545, 8456607358157, 255883964141333, 8275199908539114, 287869753459458468, 10564476589147507523, 409845503129745719513, 16777378294629533764699, 720626728499888159724831]