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%I #4 Apr 10 2013 18:35:47
%S 28708,7843,8294,9164,9946,10561,11032,12921,16072,20202,25024,30332,
%T 35979,43392,53814,68241,87358,111648,141447,178530,225887,287540,
%U 368172,472953,607389,778773,997360,1277463,1638054,2103279,2702790,3473544
%N Number of (n+5)X12 0..1 matrices with each 6X6 subblock idempotent
%C Column 7 of A224577
%H R. H. Hardin, <a href="/A224576/b224576.txt">Table of n, a(n) for n = 1..192</a>
%F Empirical: a(n) = 3*a(n-1) -3*a(n-2) +a(n-3) +2*a(n-6) -5*a(n-7) +4*a(n-8) -a(n-9) -a(n-12) +2*a(n-13) -a(n-14) for n>18
%e Some solutions for n=2
%e ..1..0..0..0..0..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0..0..0..0..0
%e ..1..0..0..0..0..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0..0..0..0..1
%e ..0..0..0..0..0..0..0..0..0..0..0..0....0..1..0..0..0..0..0..0..0..0..0..1
%e ..0..0..0..0..0..0..0..0..0..0..0..0....0..1..0..0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0..0..0..0..1
%e ..1..0..0..0..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0..0..0..0..1
%e ..1..0..0..0..0..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0..0..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 10 2013
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