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 A199132 Number of nX7 0..2 arrays with values 0..2 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 1
 19, 210, 1038, 48320, 887966, 5926852, 358599045, 7633754680, 56435001338, 3718131446504, 84113596169937, 647071266317908, 44371190146396476, 1031280656608709860, 8107333731404729122, 567373010032314560752 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A199133 LINKS R. H. Hardin, Table of n, a(n) for n = 1..22 EXAMPLE Some solutions for n=5 ..0..1..0..1..2..0..1....0..1..0..2..1..2..1....0..1..0..2..1..0..1 ..1..0..1..2..0..1..0....1..0..2..1..2..1..0....1..0..2..0..2..1..2 ..0..2..0..1..2..0..2....0..2..1..2..1..2..1....0..1..0..2..1..2..1 ..1..0..1..2..0..2..1....1..0..2..0..2..1..2....1..0..2..1..2..1..2 ..2..1..2..1..2..0..2....0..2..0..1..0..2..0....0..2..1..2..0..2..0 CROSSREFS Sequence in context: A023017 A022647 A032613 * A201791 A099663 A202665 Adjacent sequences:  A199129 A199130 A199131 * A199133 A199134 A199135 KEYWORD nonn AUTHOR R. H. Hardin Nov 03 2011 STATUS approved

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Last modified February 17 12:14 EST 2020. Contains 331996 sequences. (Running on oeis4.)