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A183424
Half the number of n X n 0..2 arrays with no element equal its row sum plus its column sum mod 3
0
1, 9, 256, 62694, 16777215
OFFSET
1,2
COMMENTS
Diagonal of A183429
EXAMPLE
Some solutions for 4X4
..2..0..0..1....1..0..0..1....0..1..0..0....0..0..2..0....0..0..1..0
..0..0..1..0....2..1..1..2....0..1..1..2....1..0..1..0....1..0..0..2
..2..0..2..0....0..0..0..0....0..0..1..0....0..1..1..2....2..0..2..2
..2..1..2..2....1..1..1..1....0..2..2..1....2..1..0..0....0..1..1..2
CROSSREFS
Sequence in context: A025133 A193129 A183493 * A160073 A157575 A072158
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved