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.

A221122 Number of n X 4 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor.

Table of values

n a(n)
1 21
2 1950
3 179300
4 16436223
5 1506094707
6 138001217828
7 12644783009532
8 1158616222843158
9 106161685080363377
10 9727382617196220288
11 891300589691816054472
12 81668088157651470747218
13 7483083373227566657384892

List of values

[21, 1950, 179300, 16436223, 1506094707, 138001217828, 12644783009532, 1158616222843158, 106161685080363377, 9727382617196220288, 891300589691816054472, 81668088157651470747218, 7483083373227566657384892]

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

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