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A282480 Number of nX7 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly two elements. 1

%I #4 Feb 16 2017 10:01:00

%S 0,1754,297210,27253740,2496089344,213243466320,17282935743792,

%T 1356909122451366,103825223863665136,7780334614220689560,

%U 573340067876393968560,41664780194820618035191,2992154947506013513266465

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

%C Column 7 of A282481.

%H R. H. Hardin, <a href="/A282480/b282480.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%Y Cf. A282481.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 16 2017

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Last modified June 22 05:36 EDT 2024. Contains 373565 sequences. (Running on oeis4.)