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Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Feb 23 2018 08:27:04

%S 1,301,1201,13458,204034,3126013,49405101,783633192,12536955677,

%T 201217350868,3227327521010,51820483937033,832278227764935,

%U 13366468029021281,214685886083330593,3448262248582579670

%N Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A300035.

%H R. H. Hardin, <a href="/A300033/b300033.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A300035.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 23 2018