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Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.
1

%I #6 Apr 05 2020 23:43:24

%S 0,60,4013,126903,3786544,112687158,3370860734,101584123289,

%T 3080052428762,93872530904247,2873222643510833,88260410746680709,

%U 2719519768455485871,84016899402147182297,2601591974148719198874

%N Number of 5 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

%C Row 5 of A293087.

%H R. H. Hardin, <a href="/A293091/b293091.txt">Table of n, a(n) for n = 1..80</a>

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A293087.

%K nonn

%O 1,2

%A _R. H. Hardin_, Sep 30 2017