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

%I #4 Jan 18 2018 08:08:58

%S 5,49,167,1915,13271,117184,1142217,9792821,87882289,805048388,

%T 7206559912,64918770458,587049492792,5291671622647,47723002196470,

%U 430610476512275,3884382910202786,35040311217924940,316098313514859630

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

%C Column 6 of A298396.

%H R. H. Hardin, <a href="/A298394/b298394.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..1..1..1..0..0. .0..0..0..0..1..0. .0..1..0..1..1..1

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

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

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

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

%Y Cf. A298396.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 18 2018