A205038 - OEIS

%I #5 Mar 31 2012 12:37:04

%S 2232,100308,2587806,1680705854,178237466160,1394914737725462

%N Number of (n+1)X(n+1) 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Diagonal of A205046

%e Some solutions for n=4

%e ..3..2..5..6..0....4..3..6..3..5....5..2..1..1..2....4..6..0..6..3

%e ..6..6..0..6..5....3..0..3..0..3....1..0..1..1..0....6..0..6..4..4

%e ..0..5..5..6..0....1..3..1..3..6....4..2..2..0..2....0..6..3..4..5

%e ..6..1..5..0..5....3..0..3..0..3....1..0..1..1..3....6..0..6..4..4

%e ..0..5..5..6..4....6..3..1..3..0....6..2..2..0..2....1..6..0..6..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2012