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.

A207558 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 vertically.

Table of values

n a(n)
1 2
2 16
3 92
4 636
5 9568
6 138017
7 3275898
8 100565794
9 5427850334
10 274972547840
11 35540211201327
12 3458816367555240
13 1051654956960360726
14 183797069898348851705
15 149794018569432287405504

List of values

[2, 16, 92, 636, 9568, 138017, 3275898, 100565794, 5427850334, 274972547840, 35540211201327, 3458816367555240, 1051654956960360726, 183797069898348851705, 149794018569432287405504]

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

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