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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.

A264375 Number of (n+1)X(4+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 6
2 9
3 385
4 3778
5 63575
6 828400
7 11888603
8 163298870
9 2275569624
10 31552306013
11 437685392431
12 6074696881202
13 84245234781160
14 1169032382776504
15 16215316393763249
16 224976383266144188
17 3120908613452812544

List of values

[6, 9, 385, 3778, 63575, 828400, 11888603, 163298870, 2275569624, 31552306013, 437685392431, 6074696881202, 84245234781160, 1169032382776504, 16215316393763249, 224976383266144188, 3120908613452812544]

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

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