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A189649
Number of n X 8 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
1
34, 127385, 155610272, 248034953713, 376678790309002, 579697460209171993, 890636373071604964608, 1369385680210307625221600, 2105439181301591456075023034, 3237297479202888870044365473801
OFFSET
1,1
COMMENTS
Column 8 of A189650.
LINKS
EXAMPLE
Some solutions for 3 X 8
..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
CROSSREFS
Cf. A189650.
Sequence in context: A335096 A243314 A358490 * A280901 A279376 A189311
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 24 2011
STATUS
approved