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.

A189623 Number of 8Xn binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

Table of values

n a(n)
1 256
2 65536
3 2227333
4 32031600
5 783072552
6 41236726541
7 1785011303305
8 52939317116118
9 1481899787122910
10 50278308247706514
11 1860556623858510413
12 63647690214269161385
13 2037957253448016880897
14 66466260524616890792281

List of values

[256, 65536, 2227333, 32031600, 783072552, 41236726541, 1785011303305, 52939317116118, 1481899787122910, 50278308247706514, 1860556623858510413, 63647690214269161385, 2037957253448016880897, 66466260524616890792281]

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

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