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Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 25 2018 06:30:33

%S 5,49,199,2713,28935,346593,4293657,52304635,651028308,8089657520,

%T 100056945182,1240880088651,15396041512653,190885301982355,

%U 2366819986375265,29351720842872953,363983224292273490

%N Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A300115.

%H R. H. Hardin, <a href="/A300113/b300113.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300115.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 25 2018