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%I #5 Mar 31 2012 12:37:03
%S 13555,224843,793645,14627079,59657161,986079019,4471465369,
%T 66978872631,331873877771,4574719987785,24439406840701,
%U 314037243688927,1789071497341345,21658929764256197,130381268078683017
%N Number of (n+1)X3 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Column 2 of A204791
%H R. H. Hardin, <a href="/A204785/b204785.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..5....7..1..7....7..4..4....5..5..7....0..2..3....7..7..7....5..4..4
%e ..2..0..2....5..7..5....6..0..6....4..5..2....7..0..7....3..6..3....4..0..4
%e ..1..1..0....7..1..7....2..4..7....5..5..7....2..2..2....7..7..7....1..4..5
%e ..0..2..2....5..7..5....6..0..6....4..5..2....7..0..7....4..5..4....4..0..4
%e ..1..0..1....7..1..7....5..4..6....5..5..7....1..2..7....7..7..7....5..4..7
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 19 2012
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