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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.

A263423 Number of nX5 arrays of permutations of 0..n*5-1 with each element moved a city block distance of 0 or 2.

Table of values

n a(n)
1 6
2 961
3 532620
4 141086884
5 34502512032
6 9414955824400
7 2581177525941432
8 696932281399739401
9 188117459428481322624
10 50895976667736734492176
11 13771969942166582196102000
12 3725144577531136163481836521

List of values

[6, 961, 532620, 141086884, 34502512032, 9414955824400, 2581177525941432, 696932281399739401, 188117459428481322624, 50895976667736734492176, 13771969942166582196102000, 3725144577531136163481836521]

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

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