%I #6 Apr 05 2020 23:30:23

%S 1,520,32253,1853532,108110791,6394436704,382399996325,23061514189084,

%T 1399727072882973,85393260809630392,5231506248052898794,

%U 321628304145152717720,19832505642478450579224,1226074610187600024235498

%N Number of n X 6 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.

%C Column 6 of A286979.

%H R. H. Hardin, <a href="/A286977/b286977.txt">Table of n, a(n) for n = 1..38</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A286979.

%K nonn

%O 1,2

%A _R. H. Hardin_, May 17 2017