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A298633 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I #4 Jan 23 2018 12:42:18

%S 1,53,14,45,61,163,246,566,1334,2879,6223,14320,33446,76557,175161,

%T 404442,935344,2157686,4981714,11523708,26662710,61665805,142644276,

%U 330114852,764129147,1768800257,4094693211,9480185441,21950588277

%N Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 6 of A298635.

%H R. H. Hardin, <a href="/A298633/b298633.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298635.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 23 2018

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Last modified April 13 20:16 EDT 2024. Contains 371645 sequences. (Running on oeis4.)