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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 15 2018 14:55:25

%S 64,7181,243312,9424684,383819990,15351583824,613943466291,

%T 24660009931840,990036737595402,39740436675211431,1595652867729124993,

%U 64070413955951330785,2572591332870145665288,103297979695217842684110

%N Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299668.

%H R. H. Hardin, <a href="/A299667/b299667.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299668.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 15 2018