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A188956 Number of nX5 array permutations with each element moved no more than a city block distance of two 0
31, 45288, 104735558, 151700751624, 229188213745576, 359214228037483580 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A188958

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X5

..0..1..2..8..3....0..1..2..8..3....0..1..2..7..9....0..1..2..7..3

..5.10..7..9.13....6..7..5.13..4....6.10..5..4.14....6.10..9.14..4

.11..6.14.12..4...10.11.14.12..9...11.13.12..3..8...11..5.13.12..8

CROSSREFS

Sequence in context: A239167 A176349 A033176 * A218142 A117579 A107122

Adjacent sequences:  A188953 A188954 A188955 * A188957 A188958 A188959

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2011

STATUS

approved

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Last modified September 18 09:40 EDT 2014. Contains 246899 sequences.