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A188957 Number of nX6 array permutations with each element moved no more than a city block distance of two 0
73, 532224, 6513224285, 47085945014364, 359214228037483580 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A188958

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 3X6

..0..1..2..3..9.17....0..1..2..3..5..4....0..1..2..3..4.11....0..1..2..3..5..4

..6..8.13..4.15..5....6..8..7.14.10.11....6..8..7.10.16..5....6..8..7.14.15.11

..7.12.14.16.10.11...13.15.12.17..9.16...14.12.13..9.17.15...12.13.16.10..9.17

CROSSREFS

Sequence in context: A232457 A262662 A291991 * A159438 A291992 A076848

Adjacent sequences:  A188954 A188955 A188956 * A188958 A188959 A188960

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2011

STATUS

approved

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Last modified April 11 03:01 EDT 2021. Contains 342886 sequences. (Running on oeis4.)