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A299936 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 8,3336,300901,23924290,1969988474,162678451993,13409569414628,

%T 1105467648686714,91135851756212849,7513324410726183355,

%U 619405370308995678261,51064350110152788803064,4209792108260040509344452

%N Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299937.

%H R. H. Hardin, <a href="/A299936/b299936.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299937.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 22 2018

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Last modified February 1 21:24 EST 2023. Contains 359997 sequences. (Running on oeis4.)