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Number of n X 7 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1

%I #6 Apr 23 2021 11:34:47

%S 64,1709,13454,139490,1494780,16731864,189577494,2170853960,

%T 24994758941,288650317449,3339396914117,38670537363103,

%U 448048281271559,5192799004809572,60193696372468135,697817225826066604

%N Number of n X 7 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A316209.

%H R. H. Hardin, <a href="/A316208/b316208.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316209.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 26 2018