A205276 - OEIS

%I #4 Mar 31 2012 12:37:05

%S 177050,77255835,39435964246,16272143720320,6208409977276051

%N Number of (n+1)X5 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

%C Column 4 of A205277

%e Some solutions for n=4

%e ..0..1..2..0..0....2..0..0..2..1....1..0..0..0..0....0..2..1..3..0

%e ..0..0..0..0..1....1..0..0..0..1....3..0..1..1..2....1..1..1..1..2

%e ..3..2..2..2..2....0..0..1..2..3....0..0..0..3..2....1..3..2..0..0

%e ..3..0..3..1..2....3..0..1..0..0....2..0..2..3..3....2..3..3..3..2

%e ..1..2..2..2..3....3..0..1..2..0....0..1..2..3..2....1..3..2..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012