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 A183427 Half the number of nX4 0..2 arrays with no element equal its row sum plus its column sum mod 3 1
 27, 129, 2097, 62694, 568053, 9465579, 153369936, 2690956971, 45874334853, 796531210974, 13594653632997, 236054009534571, 4119252539173344, 72199869938810379, 1270404732873196197, 22433067829384669998 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A183429 LINKS R. H. Hardin, Table of n, a(n) for n = 1..32 EXAMPLE Some solutions for 6X4 ..0..0..0..2....0..0..0..2....0..0..0..2....0..0..0..2....0..0..0..0 ..0..0..0..2....0..0..0..2....0..0..0..2....0..0..0..2....0..0..0..0 ..0..0..1..1....2..0..2..0....0..1..1..0....0..2..0..0....1..1..0..2 ..1..1..1..0....1..2..0..0....0..1..1..0....0..1..1..1....0..2..0..1 ..1..0..2..0....0..0..0..2....2..2..2..0....0..0..0..2....1..1..1..1 ..1..1..2..2....0..1..0..1....1..2..2..1....2..2..2..1....2..0..0..1 CROSSREFS Sequence in context: A048615 A124955 A126414 * A262852 A066414 A344315 Adjacent sequences: A183424 A183425 A183426 * A183428 A183429 A183430 KEYWORD nonn AUTHOR R. H. Hardin Jan 04 2011 STATUS approved

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Last modified November 27 22:56 EST 2022. Contains 358406 sequences. (Running on oeis4.)