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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.

A189339 Number of nX5 binary arrays without the pattern 1 0 0 1 diagonally, vertically, antidiagonally or horizontally.

Table of values

n a(n)
1 28
2 784
3 21952
4 390721
5 6814820
6 109746642
7 1857004061
8 31177656076
9 533269057178
10 9053472938552
11 154252966185542
12 2618674812680579
13 44520074517291894
14 756141322418868556
15 12851400623635035810

List of values

[28, 784, 21952, 390721, 6814820, 109746642, 1857004061, 31177656076, 533269057178, 9053472938552, 154252966185542, 2618674812680579, 44520074517291894, 756141322418868556, 12851400623635035810]

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

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