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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.

A221936 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.

Table of values

n a(n)
1 60
2 40608
3 17595404
4 8118923949
5 3719159201319
6 1705064784016177
7 781631768770230485
8 358315975721236723937
9 164259260168423743838749
10 75299755989611523426077650
11 34518925873564465982979613568

List of values

[60, 40608, 17595404, 8118923949, 3719159201319, 1705064784016177, 781631768770230485, 358315975721236723937, 164259260168423743838749, 75299755989611523426077650, 34518925873564465982979613568]

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

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