%I #4 Feb 14 2018 07:03:03

%S 0,41,643,8825,290941,7242300,197267780,5361395737,145483752329,

%T 3967501801875,108056245933580,2945382311407345,80280991663438095,

%U 2188285778767050105,59649714509340772403,1625968798143776296993

%N Number of nX6 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A299602.

%H R. H. Hardin, <a href="/A299600/b299600.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..0..0..0..0. .0..0..0..1..1..0. .0..0..1..1..1..1

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

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

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

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

%Y Cf. A299602.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 14 2018