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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.

A189252 Number of nX7 array permutations with each element making zero or one king moves.

Table of values

n a(n)
1 21
2 456320
3 1070959431
4 5025023852501
5 19568579061640704
6 81032653651506521333
7 330453235652954061843137
8 1355117057188899341581651072
9 5550437831744113835993347187363

List of values

[21, 456320, 1070959431, 5025023852501, 19568579061640704, 81032653651506521333, 330453235652954061843137, 1355117057188899341581651072, 5550437831744113835993347187363]

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

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