A205932 - OEIS

%I #4 Mar 31 2012 12:37:09

%S 3048544,1380479280,490921163308,148812223113936,40748437316237404,

%T 10397256424705262728,2520284777347122442980,587713888919277760959036,

%U 132997535323270057864532536

%N Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards

%C Column 5 of A205935

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 01 2012