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.

A264523 Number of (5+1) X (n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,0 0,2 -1,-2 or 1,0.

Table of values

n a(n)
1 1
2 12
3 144
4 1644
5 18769
6 169195
7 1525225
8 14158040
9 131423296
10 1263160840
11 12140734225
12 114747871035
13 1084536870921
14 10220222182842
15 96311102247684
16 909854806065252
17 8595434470172356
18 81152480791177280
19 766188743735526400

List of values

[1, 12, 144, 1644, 18769, 169195, 1525225, 14158040, 131423296, 1263160840, 12140734225, 114747871035, 1084536870921, 10220222182842, 96311102247684, 909854806065252, 8595434470172356, 81152480791177280, 766188743735526400]