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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.

A264382 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.

Table of values

n a(n)
1 0
2 25
3 441
4 3778
5 60858
6 711068
7 9407584
8 115929779
9 1485398475
10 18746069596
11 237937556367
12 3012183685044
13 38165904080061
14 483579364451792
15 6125734123144467
16 77617437527388938
17 983250878745280550

List of values

[0, 25, 441, 3778, 60858, 711068, 9407584, 115929779, 1485398475, 18746069596, 237937556367, 3012183685044, 38165904080061, 483579364451792, 6125734123144467, 77617437527388938, 983250878745280550]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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