A188979 Number of nX5 array permutations with each element moved but moved no more than a city block distance of two

6, 7836, 12838276, 10523263424, 9562891914304, 9298230791255360

Offset

1,1

Comments

Column 5 of A188981

Links

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

Example

Some solutions for 3X5
..1..0..8..4.14....1..0..4..8.14....1..0..6..4..2....1..0..3..7.14
..7.10..5..2..3....7..5.12..2..3....7.12..8..3.13...10..5..2..9.13
.11.12..6..9.13...11.10..6..9.13....5.10.11.14..9....6.12..8.11..4

Crossrefs

Sequence in context: A219014 A341873 A013784 * A158880 A341874 A137040

Adjacent sequences: A188976 A188977 A188978 * A188980 A188981 A188982

Keyword

nonn

Author

R. H. Hardin Apr 14 2011

Status

approved