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 A183431 One third the number of nX3 0..3 arrays with no element equal to its row sum plus its column sum mod 4 0
 16, 244, 7344, 178608, 4969216, 131801024, 3605232384, 97771510528, 2670568124416, 72893977058304 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A183433 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for 5X3 ..0..0..2....0..0..2....0..0..2....0..0..0....0..0..2....0..0..0....0..0..2 ..0..1..3....0..2..0....0..0..0....0..0..0....0..0..2....0..2..1....0..1..3 ..3..0..0....1..3..1....1..3..1....2..3..0....1..1..1....2..1..3....2..2..0 ..3..2..2....0..2..2....2..2..2....0..2..2....0..2..3....2..0..3....0..1..1 ..3..1..3....2..0..2....0..0..2....1..0..3....0..1..1....3..3..0....3..0..0 CROSSREFS Sequence in context: A304170 A360353 A217635 * A222383 A282312 A110394 Adjacent sequences: A183428 A183429 A183430 * A183432 A183433 A183434 KEYWORD nonn AUTHOR R. H. Hardin Jan 04 2011 STATUS approved

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Last modified July 23 11:07 EDT 2024. Contains 374549 sequences. (Running on oeis4.)