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A282790 Number of nX7 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element. 1

%I #4 Feb 21 2017 08:45:29

%S 26,736,38027,832218,22998587,545174028,12713143876,292288389872,

%T 6555156469894,145619095090322,3197415688277735,69595512931794512,

%U 1504085477252415247,32301337050939080872,690041423059410095352

%N Number of nX7 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly one element.

%C Column 7 of A282791.

%H R. H. Hardin, <a href="/A282790/b282790.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A282791.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 21 2017

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)