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Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.
1

%I #4 Feb 24 2017 07:48:41

%S 12,416,13062,286920,6296324,128768496,2561487246,49811090624,

%T 951678283294,17942875499666,334648098052706,6186474258515070,

%U 113524128817623768,2070195868615817640,37549019984769514068

%N Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.

%C Column 6 of A282885.

%H R. H. Hardin, <a href="/A282883/b282883.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A282885.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 24 2017