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A317152 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 64,752,4091,49746,786868,8398085,100639070,1322153771,16079639203,

%T 197080980236,2478248260746,30736946463877,380701037947962,

%U 4743575989254534,58981199987184372,732782748455024292

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317153.

%H R. H. Hardin, <a href="/A317152/b317152.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..0..0..0..1..0..0. .0..0..1..0..0..1..1

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

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

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

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

%Y Cf. A317153.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 22 2018

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Last modified September 20 05:24 EDT 2021. Contains 347577 sequences. (Running on oeis4.)