%I #5 Mar 31 2012 12:36:04
%S 60588,1206478,19416799,275207345,4584860256,72905263923,
%T 1130708781343,18130539910403,287526402899408,4535336921964336,
%U 72099241003949754,1142655253137546939,18084010448517161871,286883699606121628553
%N Number of (n+2)X9 binary arrays with each 3X3 subblock having a positive determinant
%C Column 7 of A186063
%H R. H. Hardin, <a href="/A186061/b186061.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 4X9
%e ..0..1..0..0..1..0..1..0..1....0..1..0..0..1..1..0..1..0
%e ..0..1..1..0..1..1..0..1..0....0..1..1..0..0..1..1..0..1
%e ..1..0..1..1..0..1..0..0..1....1..1..1..1..0..0..1..1..0
%e ..0..1..0..1..1..0..1..1..0....0..1..0..0..1..0..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 11 2011
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