|
Search: id:A154658
|
|
|
| A154658 |
|
Number of permutations of length n within distance 9 |
|
+0
3
|
|
| 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 33022080, 277280640, 2184341040, 16427628720, 119892387720, 861175365144, 6157828055310, 44222780245622, 321113303226243, 2369364111428885, 17667206334000068
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Torleiv Klove, Spheres of Permutations under the Infinity Norm - Permutations with limited displacement. Reports in Informatics, Department of Informatics, University of Bergen, Norway, no. 376, November 2008.
|
|
CROSSREFS
|
Cf. A000045, A002524, A002526, A072856, A154654..A154657
Sequence in context: A152705 A152702 A072133 this_sequence A072167 A154659 A155456
Adjacent sequences: A154655 A154656 A154657 this_sequence A154659 A154660 A154661
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Torleiv Klove (Torleiv.Klove(AT)ii.uib.no), Jan 13 2009
|
|
|
Search completed in 0.004 seconds
|
