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 A189304 Number of n X n array permutations with each element moving zero or one space diagonally, horizontally or vertically 0
 1, 14, 960, 654049, 3373180708, 146610388175180, 52114841233680255776, 153220700522675894994117846 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A189312 LINKS EXAMPLE Some solutions for 3X3 ..3..2..1....1..0..2....0..1..2....3..2..1....0..1..5....3..5..1....4..0..2 ..0..4..8....7..5..8....7..4..5....6..0..5....4..8..2....0..4..2....7..3..1 ..7..6..5....3..6..4....3..6..8....7..4..8....3..6..7....7..6..8....6..8..5 CROSSREFS Sequence in context: A055152 A171183 A064729 * A123178 A208318 A349737 Adjacent sequences: A189301 A189302 A189303 * A189305 A189306 A189307 KEYWORD nonn AUTHOR R. H. Hardin Apr 19 2011 STATUS approved

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Last modified December 6 15:33 EST 2022. Contains 358644 sequences. (Running on oeis4.)