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.

A338113 Triangle read by rows: T(n,k) is the number of oriented colorings of the faces (and peaks) of a regular n-dimensional simplex using exactly k colors. Row n has C(n+1,3) columns.

Table of values

n a(n)
2 1
3 1
4 3
5 3
6 2
7 1
8 38
9 1080
10 14040
11 85500
12 274104
13 493920
14 504000
15 272160
16 60480
17 1
18 3502
19 9743106
20 3017318368
21 249756082950
22 8612276962188
23 156010151929968
24 1699145259725088
25 12107373916276800
26 59649257217110400

List of values

[1, 1, 3, 3, 2, 1, 38, 1080, 14040, 85500, 274104, 493920, 504000, 272160, 60480, 1, 3502, 9743106, 3017318368, 249756082950, 8612276962188, 156010151929968, 1699145259725088, 12107373916276800, 59649257217110400]