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A185847
Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum
0
81, 11610, 9546820, 44035074450, 1150465902394838
OFFSET
1,1
COMMENTS
Diagonal of A185856
EXAMPLE
Some solutions for 3X3
..2..1..2....1..0..1....1..1..0....2..0..0....0..0..0....1..0..1....0..0..1
..0..2..0....2..2..2....2..0..1....0..1..0....1..0..1....0..2..1....2..0..2
..0..1..2....2..0..1....1..1..1....1..1..0....0..1..1....0..0..2....1..0..1
CROSSREFS
Sequence in context: A059988 A017020 A237027 * A058422 A053913 A053895
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved