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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.

A222443 Number of nX7 0..3 arrays with entries increasing mod 4 by 0, 1 or 2 rightwards and downwards, starting with upper left zero.

Table of values

n a(n)
1 729
2 352947
3 171655443
4 83550197745
5 40672916404629
6 19800569621116647
7 9639473169171326643
8 4692774165276650869245
9 2284579009484665788160179
10 1112199638674265376676027137
11 541451207318902554322801201323

List of values

[729, 352947, 171655443, 83550197745, 40672916404629, 19800569621116647, 9639473169171326643, 4692774165276650869245, 2284579009484665788160179, 1112199638674265376676027137, 541451207318902554322801201323]

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

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