cp's OEIS Frontend

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.

A221326 Number of nX6 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

Table of values

n a(n)
1 99
2 46211
3 22181855
4 10794156688
5 5264460642473
6 2568131772343102
7 1252783082725664892
8 611119758365760669838
9 298107197445873504485520
10 145417480551629396888700687
11 70934889022803306796027176575

List of values

[99, 46211, 22181855, 10794156688, 5264460642473, 2568131772343102, 1252783082725664892, 611119758365760669838, 298107197445873504485520, 145417480551629396888700687, 70934889022803306796027176575]

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

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