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A316303 Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I

%S 64,432,572,2929,19185,97864,608947,3605691,21632912,130126938,

%T 786109991,4751981159,28759129674,174064729330,1053884433839,

%U 6381829345230,38648680713625,234069146890789,1417642335234655,8586113353402760

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A316304.

%H R. H. Hardin, <a href="/A316303/b316303.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A316304.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 29 2018

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Last modified September 18 12:35 EDT 2021. Contains 347527 sequences. (Running on oeis4.)