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.

A113108 Triangle T, read by rows, equal to the matrix square of triangle A113106, which satisfies the recurrence: A113106(n,k) = [A113106^5](n-1,k-1) + [A113106^5](n-1,k).

Table of values

n a(n)
0 1
1 2
2 1
3 16
4 12
5 1
6 440
7 416
8 62
9 1
10 43600
11 48320
12 10016
13 312
14 1
15 16698560
16 20765520
17 5394320
18 246016
19 1562
20 1
21 26098464448
22 35382716032
23 10854556720
24 646408320
25 6116016
26 7812
27 1
28 172513149018752
29 250136469031744
30 87213434633152

List of values

[1, 2, 1, 16, 12, 1, 440, 416, 62, 1, 43600, 48320, 10016, 312, 1, 16698560, 20765520, 5394320, 246016, 1562, 1, 26098464448, 35382716032, 10854556720, 646408320, 6116016, 7812, 1, 172513149018752, 250136469031744, 87213434633152]