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 A198913 Number of n X 7 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor. 2
 203, 10856948, 3352514013159, 1243368053336112649, 467181941240736711604077, 175702802690666247458883923440, 66084692925071529966599521403836686, 24855655340700384655492554800723374323095, 9348667576846602621032033514210811069676125541 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Andrew Howroyd, Table of n, a(n) for n = 1..150 EXAMPLE Some solutions with values 0 to 7 for n=3 ..0..1..0..2..0..1..3....0..1..0..2..3..4..2....0..1..0..2..0..1..3 ..1..0..2..0..4..2..5....1..0..2..0..4..5..0....1..0..2..0..4..3..5 ..0..1..0..6..7..3..0....0..1..0..4..5..6..7....0..1..0..6..7..0..1 CROSSREFS Column 7 of A198914. Sequence in context: A208471 A348823 A198722 * A224983 A138605 A260975 Adjacent sequences: A198910 A198911 A198912 * A198914 A198915 A198916 KEYWORD nonn AUTHOR R. H. Hardin, Oct 31 2011 EXTENSIONS Terms a(8) and beyond from Andrew Howroyd, Mar 12 2023 STATUS approved

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Last modified December 6 22:36 EST 2023. Contains 367616 sequences. (Running on oeis4.)