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A298652 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 8,1933,3820,14888,62544,291784,1277500,5758443,26328879,118276552,

%T 531491667,2406395782,10892034473,49246533056,222848686116,

%U 1008667256385,4564536675139,20660407068626,93538032416560,423503341613182

%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A298653.

%H R. H. Hardin, <a href="/A298652/b298652.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A298653.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 24 2018

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Last modified August 11 11:29 EDT 2022. Contains 356065 sequences. (Running on oeis4.)