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.

A207435 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 2
2 16
3 108
4 1360
5 41092
6 2405923
7 284247216
8 68394049216
9 33064776069834
10 31868588102983450
11 61446275576502856313
12 236673591523285699197386
13 1818567731722871472685169098
14 27879399799936252965503867197417

List of values

[2, 16, 108, 1360, 41092, 2405923, 284247216, 68394049216, 33064776069834, 31868588102983450, 61446275576502856313, 236673591523285699197386, 1818567731722871472685169098, 27879399799936252965503867197417]

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

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