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%I #5 Mar 31 2012 12:36:04
%S 49342,7232034,1079255234,160170012852,23757227154988,
%T 3524972742682648,522964399238602036,77588547894909110228,
%U 11511228098599228957442,1707835005432644412456998,253378710999044741081140368
%N Number of (n+1)X4 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant
%C Column 3 of A185923
%H R. H. Hardin, <a href="/A185921/b185921.txt">Table of n, a(n) for n = 1..89</a>
%e Some solutions for 3X4
%e ..0..1..2..2....0..3..2..2....0..1..0..0....0..1..0..2....0..2..3..1
%e ..2..0..1..2....1..0..3..0....3..0..2..0....1..0..2..0....2..2..3..0
%e ..0..3..1..3....0..3..0..3....0..3..1..1....0..1..0..3....0..1..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2011