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Number of (n+1)X6 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum
0

%I #4 Mar 31 2012 12:36:02

%S 2887,207705,5616321,195165583,6164545679,201869155765

%N Number of (n+1)X6 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

%C Column 5 of A185504

%e Some solutions for 3X6

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 29 2011