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A303246 Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1

%I #4 Apr 20 2018 10:58:40

%S 32,10,494,160,5158,7823,90728,421983,3251872,23282610,175055099,

%T 1340813633,10458371398,80508035855,634752883979,4921023633814,

%U 38687814219982,301834276228660,2365262885917076,18505872453909054

%N Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Row 6 of A303242.

%H R. H. Hardin, <a href="/A303246/b303246.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..1..0..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..1

%e ..1..0..0..0..1. .1..0..0..0..1. .1..0..0..0..0. .0..0..0..1..0

%e ..0..0..1..0..1. .1..0..1..0..0. .0..0..1..0..1. .0..0..0..1..1

%e ..1..0..0..0..0. .0..0..1..0..0. .1..0..1..0..1. .1..1..0..0..1

%e ..1..0..1..1..1. .0..0..0..0..1. .0..0..1..0..1. .1..1..1..1..1

%e ..0..0..0..1..1. .1..0..1..0..0. .0..0..1..0..1. .0..1..0..1..0

%Y Cf. A303242.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 20 2018

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)