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%I #7 Jan 27 2024 17:48:45
%S 8,220,6851,284314,12358457,553836104,25285926227,1169152157882,
%T 54566287853953,2565099972100788,121273846165465383,
%U 5760384244239137519,274671918496073201221,13139944807683484672079,630353877399609265385999
%N Number of n X 6 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies.
%C Column 6 of A183262.
%H R. H. Hardin, <a href="/A183261/b183261.txt">Table of n, a(n) for n = 1..70</a>
%e Some solutions for 3 X 6
%e ..0..0..0..0..1..0....0..1..1..1..0..0....0..0..0..1..0..1....0..1..1..0..1..0
%e ..1..0..0..0..1..0....0..1..1..1..0..0....0..0..1..1..0..0....0..0..1..0..0..0
%e ..0..0..1..1..1..1....0..0..0..1..1..0....0..0..0..0..1..1....1..0..1..0..0..0
%Y Cf. A183262.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 03 2011
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