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 A189650 T(n,k) = Number of n X k array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally. 15
 1, 2, 1, 3, 9, 1, 5, 33, 32, 1, 8, 185, 263, 121, 1, 13, 913, 4277, 2161, 450, 1, 21, 4777, 55440, 107080, 17655, 1681, 1, 34, 24577, 799069, 3774889, 2631821, 144353, 6272, 1, 55, 127385, 11047585, 157346785, 250758892, 64890337, 1180167, 23409, 1, 89 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .1......2.........3..............5..................8.....................13 .1......9........33............185................913...................4777 .1.....32.......263...........4277..............55440.................799069 .1....121......2161.........107080............3774889..............157346785 .1....450.....17655........2631821..........250758892............30010432933 .1...1681....144353.......64890337........16718653553..........5760755884032 .1...6272...1180167.....1598901325......1113666564608.......1104421532180261 .1..23409...9648721....39401919001.....74192202677913.....211788908613601649 .1..87362..78885143...970964720320...4942510226322656...40611524427488470629 .1.326041.644942273.23927183356745.329259659094878233.7787535228500656118433 LINKS R. H. Hardin, Table of n, a(n) for n = 1..144 EXAMPLE Some solutions for 5X3 ..0..2..1....0..1..2....1..0..4....0..3..2....0..1..2....4..0..2....0..5..2 ..3..4..5....4..3..5....3..2..5....1..5..4....3..4..5....1..6..5....1..3..4 ..6.11..8....6..8..7....6..8..7....7..6..8....7..6..8....7..3..8....6..9..8 ..7..9.10....9.14.13....9.12.11....9.10.11...10.14.11....9.14.13....7.10.13 .12.14.13...12.11.10...10.14.13...12.14.13...12..9.13...12.11.10...12.11.14 CROSSREFS Column 2 is A006253. Row 1 is A000045(n+1). Row 2 is A189179. Sequence in context: A076112 A208744 A122454 * A083782 A076240 A099644 Adjacent sequences: A189647 A189648 A189649 * A189651 A189652 A189653 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Apr 24 2011 STATUS approved

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Last modified September 27 04:42 EDT 2023. Contains 365673 sequences. (Running on oeis4.)