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

%I #4 Feb 15 2018 14:48:23

%S 64,8192,624007,53909088,4634931975,400012077773,34546300829517,

%T 2983786339120760,257723568617382229,22261041202423804183,

%U 1922815213079467303536,166084822425643801285901

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

%C Column 7 of A299661.

%H R. H. Hardin, <a href="/A299660/b299660.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299661.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 15 2018