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%I #5 Mar 31 2012 12:37:07
%S 256,95888,164649752,1235093642064,40748437316237404,
%T 5953229517409280684864
%N Number of (n+1)X(n+1) 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards
%C Diagonal of A205935
%e Some solutions for n=4
%e ..1..0..3..3..3....0..0..1..1..1....3..2..2..0..1....3..0..1..1..1
%e ..2..2..2..2..2....1..2..0..3..2....2..0..3..1..2....1..2..0..3..2
%e ..3..2..3..3..1....0..0..3..2..1....1..1..0..2..3....1..3..1..0..3
%e ..1..2..1..0..2....2..1..0..3..2....3..2..1..0..2....3..0..2..1..0
%e ..1..3..2..1..3....3..2..1..0..3....2..1..2..1..0....1..1..3..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 01 2012
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