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A189649
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Number of nX8 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally
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1
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34, 127385, 155610272, 248034953713, 376678790309002, 579697460209171993, 890636373071604964608, 1369385680210307625221600, 2105439181301591456075023034, 3237297479202888870044365473801
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 3X8
..0..2..3..4.11..5..6..7....0..2..3.10..5..4..6..7....0..2..3..4..5.14.13..7
..1..8.17.12.13.14.21.22....1..8.11.12.19.13.15.22....1..8.10.18.11..6.23.15
..9.16.18.10.19.20.15.23....9.16.17.18.20.21.23.14....9.16.17.20.19.12.21.22
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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