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A306059 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1

%I

%S 64,432,1344,6955,67791,513811,3363541,25699369,199805626,1461477965,

%T 10788085132,81469649904,609282707912,4528672442297,33855657682271,

%U 253322029642768,1890640721511027,14116244272860371,105494429560536925

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A306060.

%H R. H. Hardin, <a href="/A306059/b306059.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A306060.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 18 2018

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Last modified October 26 00:52 EDT 2021. Contains 348256 sequences. (Running on oeis4.)