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 A269337 Number of 3Xn arrays containing n copies of 0..3-1 avoiding the pattern equal-up in every row and column. 1
 6, 74, 852, 10210, 124466, 1539739, 19271229, 243392830, 3095718114, 39591108117, 508549674595, 6555349397662, 84743875128342, 1098136390356477, 14258478535216226, 185450173389172712, 2415532450075364094 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A269336. LINKS R. H. Hardin, Table of n, a(n) for n = 1..49 EXAMPLE Some solutions for n=4 ..0..1..2..2. .1..2..1..2. .2..2..2..1. .1..0..2..0. .1..1..0..1 ..2..1..2..0. .0..2..1..1. .1..2..1..1. .0..2..1..2. .0..2..2..2 ..1..1..0..0. .2..0..0..0. .0..0..0..0. .1..2..0..1. .0..1..2..0 CROSSREFS Cf. A269336. Sequence in context: A066171 A269647 A232330 * A057783 A317344 A231691 Adjacent sequences:  A269334 A269335 A269336 * A269338 A269339 A269340 KEYWORD nonn AUTHOR R. H. Hardin, Feb 24 2016 STATUS approved

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Last modified October 23 17:32 EDT 2019. Contains 328373 sequences. (Running on oeis4.)