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%I #4 Apr 21 2013 17:52:39
%S 256,11196,1417535,4560581070,14139394308728,848170732137764831,
%T 48673249025229489837168,50198078741040638898913117046,
%U 52964434709981516539278316299135035
%N Number of (n+1)X(n+1) 0..3 matrices with each 2X2 permanent equal
%C Diagonal of A224975
%e Some solutions for n=2
%e ..3..1..0....2..0..2....1..2..3....2..2..0....3..0..3....2..2..3....3..0..3
%e ..0..0..0....0..0..2....2..0..2....0..3..3....0..3..2....3..0..3....0..0..0
%e ..1..2..2....3..0..2....3..2..3....2..1..1....3..3..1....3..2..2....3..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 21 2013