%I #4 Jun 15 2013 14:10:53
%S 181,13691,539703,20577215,833949273,34404755041,1412775737517,
%T 57827217804729,2366890987279579,96919708660909729,
%U 3969044355415426525,162532913694902119493,6655600103815564563993,272542304676407531357487
%N Number of nX5 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X6 binary array
%C Column 5 of A226717
%H R. H. Hardin, <a href="/A226714/b226714.txt">Table of n, a(n) for n = 1..38</a>
%e Some solutions for n=3
%e .-1.-1..1..1.-1...-1..0..0..0..1...-1..0..0..0..1...-1..0.-1..0..1
%e ..1..1.-1.-1..1....1..0.-1..0.-1....0..0..1.-1..0....1..0..1..0..0
%e .-1..0..0..1.-1...-1..1..0.-1..1....0..1..0.-1..1....0..0.-1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 15 2013