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A299358 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 08 2018 13:55:39

%S 64,3281,5631,22768,104376,484468,2195326,10199011,48054411,223711719,

%T 1041915124,4888104627,22924791789,107381397154,503819334542,

%U 2366291449291,11114013484044,52225757104863,245582918823266

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299359.

%H R. H. Hardin, <a href="/A299358/b299358.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299359.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2018

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)