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Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 May 31 2018 09:06:33

%S 1,99,99,211,656,1476,4429,11281,31062,84750,233266,652271,1795948,

%T 4991011,13877748,38640817,107514978,299535232,834994559,2326796881,

%U 6487438589,18090082485,50450315901,140711717327,392491509481

%N Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A305360.

%H R. H. Hardin, <a href="/A305359/b305359.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A305360.

%K nonn

%O 1,2

%A _R. H. Hardin_, May 31 2018