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Number of (n+1)X7 0..2 matrices with each 2X2 permanent equal
1

%I #4 Apr 24 2013 08:57:27

%S 34545,9045373,356942157,52562324371,3420719145421,377600972329977,

%T 30374776273526073,2996776449993067119,262356224598904294079,

%U 24807486322017404713095,2243325257818680726558591

%N Number of (n+1)X7 0..2 matrices with each 2X2 permanent equal

%C Column 6 of A225027

%H R. H. Hardin, <a href="/A225025/b225025.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..1..0..0..0..0..1....0..0..0..0..0..0..0....0..1..0..0..0..2..1

%e ..0..0..0..0..0..0..0....0..0..2..0..2..1..1....0..0..0..0..0..0..0

%e ..0..0..1..2..1..2..0....0..0..2..0..0..0..0....0..0..0..1..2..0..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 24 2013