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Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 28 2018 20:52:05

%S 3,51,131,353,4364,21250,95144,744225,4783771,27463112,190991767,

%T 1292234142,8201782608,55678561641,376785247633,2482003918431,

%U 16743709504153,112914336054629,753657230308479,5073402400236330

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A317458.

%H R. H. Hardin, <a href="/A317455/b317455.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..1..0..1. .0..1..1..1..1. .0..0..0..0..0

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

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

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

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

%Y Cf. A317458.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 28 2018