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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.

A188955 Number of nX4 array permutations with each element moved no more than a city block distance of two.

Table of values

n a(n)
1 14
2 3969
3 1722256
4 504690017
5 151700751624
6 47085945014364
7 14529766291673016
8 4473345039125385924
9 1378237965469881319638
10 424709806495811992908136
11 130865875276447905156349870
12 40323080903656724639859869876

List of values

[14, 3969, 1722256, 504690017, 151700751624, 47085945014364, 14529766291673016, 4473345039125385924, 1378237965469881319638, 424709806495811992908136, 130865875276447905156349870, 40323080903656724639859869876]

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

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