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A299687 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 16 2018 07:45:30

%S 13,112,854,20882,251922,5740433,120453362,2322958629,49439157520,

%T 1040806858516,21379003137500,449047684471966,9399117132834617,

%U 195680260422553663,4093514650229803149,85561487911457682361

%N Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299689.

%H R. H. Hardin, <a href="/A299687/b299687.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299689.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 16 2018

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Last modified April 24 17:10 EDT 2024. Contains 371962 sequences. (Running on oeis4.)