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 A266599 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north or northeast neighbor modulo n and the upper left element equal to 0. 6
 1, 1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 6, 38, 9, 1, 0, 20, 964, 1197, 44, 1, 0, 83, 30637, 289569, 64497, 265, 1, 0, 410, 1073367, 89795439, 188978578, 4975742, 1854, 1, 0, 2109, 39966856, 31745527110, 731926880418, 207181732018, 519665920, 14833, 1, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 COMMENTS Table starts ......1...........1...............1.................1................1 ......0...........0...............0.................0................0 ......1...........2...............6................20...............83 ......2..........38.............964.............30637..........1073367 ......9........1197..........289569..........89795439......31745527110 .....44.......64497.......188978578......731926880418.3306610502435596 ....265.....4975742....207181732018.11959316434000351 ...1854...519665920.357677449791820 ..14833.70425165645 .133496 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 EXAMPLE Some solutions for n=4 k=4 ..0..1..1..3....0..1..2..2....0..1..1..3....0..0..1..1....0..0..1..2 ..0..1..3..2....3..1..0..0....3..3..3..2....3..3..0..3....0..3..1..0 ..3..3..2..0....1..3..3..0....2..2..2..0....2..2..3..2....3..3..3..2 ..1..2..2..0....3..1..2..2....1..1..0..0....1..1..2..0....1..2..1..2 CROSSREFS Column 1 is A000166(n-1). Sequence in context: A135898 A131182 A254883 * A327365 A093729 A113080 Adjacent sequences: A266596 A266597 A266598 * A266600 A266601 A266602 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 01 2016 STATUS approved

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Last modified October 2 14:37 EDT 2023. Contains 365837 sequences. (Running on oeis4.)