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

%I #4 Jul 09 2018 11:28:30

%S 8,306,599,2432,54941,228056,1396674,17049299,106043303,774609628,

%T 7324990570,55119909036,436298131908,3797205688357,30881995446060,

%U 254258778361845,2167620254285320,18164281808012240,152495270043730786

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

%C Column 7 of A316648.

%H R. H. Hardin, <a href="/A316647/b316647.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316648.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 09 2018