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A316217 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 64,752,2116,25093,242149,1906841,17524746,162191532,1448194529,

%T 13126514111,119451232239,1082554697786,9818802875496,89141819392079,

%U 808963524412425,7341516688308799,66636867454589760,604841083740133103

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A316218.

%H R. H. Hardin, <a href="/A316217/b316217.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316218.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 26 2018

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)