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A188962 T(n,k)=Number of nXk array permutations with each element moved by a city block distance of no more than three 4
1, 2, 2, 6, 24, 6, 24, 720, 720, 24, 78, 24024, 229080, 24024, 78, 230, 570050, 75764664, 75764664, 570050, 230, 675, 12702057, 17316382188, 251096032912, 17316382188, 12702057, 675, 2069, 298167456, 3909049448304, 573780546403024 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

....1.........2.............6..............24..............78...........230

....2........24...........720...........24024..........570050......12702057

....6.......720........229080........75764664.....17316382188.3909049448304

...24.....24024......75764664....251096032912.573780546403024

...78....570050...17316382188.573780546403024

..230..12702057.3909049448304

..675.298167456

.2069

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..39

EXAMPLE

Some solutions for 5X3

..0..5..1....0..5..1....0..5..1....0..5..1....0..5..1....0..5..1....0..5..1

..6..3.10....6..3.10....6..3.10....6..3..7....6..3..7....6..3..7....6..3..7

..7..2.14...13..7.11....9.14..7....8..2.13...10..2.11....4.14..2...11.13..2

.11..4..9....8..4..2....8..4..2...14..4..9...13..8..4....8..9.10...14..4.10

.13..8.12...12.14..9...13.11.12...11.12.10...12.14..9...11.13.12...12..9..8

CROSSREFS

Column 1 is A002526

Sequence in context: A141902 A069466 A143084 * A076741 A320603 A276409

Adjacent sequences:  A188959 A188960 A188961 * A188963 A188964 A188965

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Apr 14 2011

STATUS

approved

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Last modified August 11 15:10 EDT 2022. Contains 356066 sequences. (Running on oeis4.)