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%I #5 Mar 31 2012 12:37:03
%S 544,12744,264998,45026614,3884003062,3923500974342,1379568377068438
%N Number of (n+1)X(n+1) 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero
%C Diagonal of A204732
%e Some solutions for n=4
%e ..1..0..1..2..0....3..4..1..4..3....1..2..4..0..4....3..1..3..1..1
%e ..4..4..0..4..2....1..2..2..2..1....4..0..4..2..2....2..1..2..1..4
%e ..0..1..1..2..0....3..4..1..4..3....1..2..4..0..4....3..1..3..1..1
%e ..4..2..2..0..2....1..2..2..2..1....3..2..0..2..1....2..1..2..1..4
%e ..0..1..1..2..0....3..4..1..4..3....4..0..4..4..2....3..1..3..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 18 2012