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.

A264020 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,2 or 2,2.

Table of values

n a(n)
1 1
2 89
3 7921
4 269225
5 9150625
6 398967250
7 17394972100
8 744568640640
9 31870270181376
10 1369690710968448
11 58865288340403204
12 2529832159410757762
13 108723679696921023361
14 4672588420041689987741
15 200812579228092423992521

List of values

[1, 89, 7921, 269225, 9150625, 398967250, 17394972100, 744568640640, 31870270181376, 1369690710968448, 58865288340403204, 2529832159410757762, 108723679696921023361, 4672588420041689987741, 200812579228092423992521]