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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.

A188505 Number of nX6 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.

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%I A188505 #7 Jul 22 2025 11:14:11
%S A188505 37,1369,20124,230877,3121877,47153387,697038111,10000092025,
%T A188505 143394872372,2069826687060,29910249762049,431680548664164,
%U A188505 6227868813269851,89869161823226891,1296951083139645799
%N A188505 Number of nX6 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
%C A188505 Column 6 of A188508
%H A188505 R. H. Hardin, <a href="/A188505/b188505.txt">Table of n, a(n) for n = 1..200</a>
%e A188505 Some solutions for 3X6
%e A188505 ..1..1..1..1..1..1....1..1..1..0..0..1....1..1..1..1..0..1....1..1..1..1..0..1
%e A188505 ..1..1..1..0..0..1....1..1..0..0..0..1....1..1..1..0..0..1....0..0..0..1..1..0
%e A188505 ..1..0..0..1..1..1....1..1..0..1..1..1....1..0..0..1..1..1....1..1..1..1..1..0
%K A188505 nonn
%O A188505 1,1
%A A188505 _R. H. Hardin_ Apr 02 2011

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