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%I #5 Apr 17 2013 07:25:50
%S 16,152,2961,180546,21910274,6987578401,4577116826010,
%T 7263975840668720,24830489629274669185,198126079091642018885794,
%U 3494153303559933894658838690,141264727800468875841382090858433
%N Number of (n+1)X(n+1) 0..1 matrices with each 2X2 permanent equal
%C Diagonal of A224745
%H R. H. Hardin, <a href="/A224737/b224737.txt">Table of n, a(n) for n = 1..16</a>
%e Some solutions for n=3
%e ..1..0..1..1....1..1..1..0....1..1..0..0....0..0..0..1....1..1..0..0
%e ..1..1..1..0....0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..0
%e ..0..1..0..1....0..1..0..0....0..0..0..1....1..1..0..0....0..0..0..0
%e ..1..0..1..1....0..1..0..0....1..0..0..0....0..0..0..0....1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 17 2013
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