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 A183429 T(n,k)=Half the number of nXk 0..2 arrays with no element equal its row sum plus its column sum mod 3 6
 1, 3, 3, 9, 9, 9, 27, 32, 32, 27, 81, 129, 256, 129, 81, 243, 513, 2097, 2097, 513, 243, 729, 2048, 16384, 62694, 16384, 2048, 729, 2187, 8193, 131072, 568053, 568053, 131072, 8193, 2187, 6561, 32769, 1048959, 9465579, 16777215, 9465579, 1048959, 32769 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .....1......3.......9........27........81.......243.......729.......2187 .....3......9......32.......129.......513......2048......8193......32769 .....9.....32.....256......2097.....16384....131072...1048959....8388608 ....27....129....2097.....62694....568053...9465579.153369936.2690956971 ....81....513...16384....568053..16777215.536870912 ...243...2048..131072...9465579.536870912 ...729...8193.1048959.153369936 ..2187..32769.8388608 ..6561.131072 .19683 LINKS R. H. Hardin, Table of n, a(n) for n = 1..59 EXAMPLE Some solutions for 5X4 ..0..0..2..1....0..0..1..0....0..0..0..0....0..0..0..2....0..0..2..1 ..0..0..2..1....1..0..0..2....0..2..2..0....2..0..1..0....2..0..1..0 ..0..1..1..0....0..0..1..0....2..0..1..0....1..0..0..2....0..1..2..0 ..0..1..0..1....1..2..0..2....1..2..1..0....0..2..1..1....2..0..0..0 ..2..2..1..0....1..2..0..0....1..1..1..1....0..0..0..2....0..1..1..1 CROSSREFS Sequence in context: A349673 A064235 A098355 * A107443 A204099 A062234 Adjacent sequences: A183426 A183427 A183428 * A183430 A183431 A183432 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 04 2011 STATUS approved

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Last modified December 4 16:09 EST 2022. Contains 358558 sequences. (Running on oeis4.)