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.

A113112 Triangle T, read by rows, equal to the matrix 4th power 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 4
2 1
3 56
4 24
5 1
6 2704
7 1576
8 124
9 1
10 481376
11 346624
12 39376
13 624
14 1
15 337587520
16 284081376
17 41686624
18 979376
19 3124
20 1
21 978162377600
22 927672109184
23 165184873376
24 5122890624
25 24434376
26 15624
27 1
28 12088945462984960

List of values

[1, 4, 1, 56, 24, 1, 2704, 1576, 124, 1, 481376, 346624, 39376, 624, 1, 337587520, 284081376, 41686624, 979376, 3124, 1, 978162377600, 927672109184, 165184873376, 5122890624, 24434376, 15624, 1, 12088945462984960]