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 A183493 Half the number of n X n 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors 0
 1, 9, 256, 33057, 16796160, 34359738368 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A183501 LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for 3X3 ..0..2..0....0..0..1....0..1..2....0..1..1....0..2..1....1..1..0....1..1..1 ..2..0..0....1..0..2....0..1..2....1..2..1....2..0..0....2..2..1....2..0..2 ..0..0..2....2..2..2....0..2..0....0..1..0....0..0..1....0..2..1....2..2..2 CROSSREFS Sequence in context: A296950 A025133 A193129 * A183424 A160073 A157575 Adjacent sequences: A183490 A183491 A183492 * A183494 A183495 A183496 KEYWORD nonn AUTHOR R. H. Hardin Jan 05 2011 STATUS approved

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Last modified July 14 12:35 EDT 2024. Contains 374318 sequences. (Running on oeis4.)