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 A199255 Number of nX7 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor 0
 41, 14160, 2913528, 267827143, 340245592285, 186725016600685 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A199256 LINKS EXAMPLE Some solutions for n=4 ..0..1..2..1..2..3..2....0..1..2..3..2..3..2....0..1..2..1..3..0..2 ..1..0..3..0..3..2..3....1..0..1..2..3..0..3....1..0..1..0..1..2..3 ..0..1..2..3..2..3..0....0..1..2..1..0..3..2....0..1..2..3..2..3..2 ..1..0..3..1..0..1..2....1..0..1..0..3..2..3....1..0..3..2..3..0..3 CROSSREFS Sequence in context: A240641 A106203 A289416 * A199200 A198602 A214338 Adjacent sequences:  A199252 A199253 A199254 * A199256 A199257 A199258 KEYWORD nonn AUTHOR R. H. Hardin Nov 04 2011 STATUS approved

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Last modified May 26 03:55 EDT 2022. Contains 354074 sequences. (Running on oeis4.)