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A188958 T(n,k)=Number of nXk array permutations with each element moved no more than a city block distance of two 7
1, 2, 2, 6, 24, 6, 14, 362, 362, 14, 31, 3969, 29172, 3969, 31, 73, 45288, 1722256, 1722256, 45288, 73, 172, 532224, 104735558, 504690017, 104735558, 532224, 172, 400, 6187928, 6513224285, 151700751624, 151700751624, 6513224285, 6187928, 400 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

....1.........2..............6................14.................31

....2........24............362..............3969..............45288

....6.......362..........29172...........1722256..........104735558

...14......3969........1722256.........504690017.......151700751624

...31.....45288......104735558......151700751624....229188213745576

...73....532224.....6513224285....47085945014364.359214228037483580

..172...6187928...402549615544.14529766291673016

..400..71851073.24857280209008

..932.835579642

.2177

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..59

EXAMPLE

Some solutions for 5X3

..0..3..1....0..3..1....0..3..1....0..3..1....0..3..1....0..3..1....0..3..1

..5..2.11....5..2..4....5..2..4....5..6..2....5..2..7....5..6..8....5..2.11

..4..7..8....7..9.10....6..8.14....9.13..8....4.11..8....4.13..2....4..8..7

.10.13.14....6..8.11...11..7..9....7..4.14....6.12.14...11.14..7....6.12.10

..6..9.12...12.14.13...10.13.12...12.10.11...10..9.13...10..9.12...14..9.13

CROSSREFS

Column 1 is A002524

Sequence in context: A292319 A290653 A138801 * A141902 A069466 A143084

Adjacent sequences:  A188955 A188956 A188957 * A188959 A188960 A188961

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Apr 14 2011

STATUS

approved

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Last modified January 26 07:36 EST 2022. Contains 350577 sequences. (Running on oeis4.)