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.

A327089 Triangle read by rows: T(n,k) is the number of chiral pairs of colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 0
6 1
7 18
8 62
9 75
10 30
11 0
12 6
13 387
14 6320
15 41350
16 135792
17 246540
18 252000
19 136080
20 30240
21 0
22 28
23 17070
24 1347200
25 34546670
26 418081188
27 2854567996
28 12121240320
29 33824042280
30 63815598000
31 82021428720
32 70832361600
33 39351312000
34 12713500800
35 1816214400

List of values

[0, 0, 0, 1, 0, 1, 18, 62, 75, 30, 0, 6, 387, 6320, 41350, 135792, 246540, 252000, 136080, 30240, 0, 28, 17070, 1347200, 34546670, 418081188, 2854567996, 12121240320, 33824042280, 63815598000, 82021428720, 70832361600, 39351312000, 12713500800, 1816214400]