Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A159728
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A159728 Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 2 local maxima. +0
1
36, 2610, 129800, 5748750, 241987500, 9885006250 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A135626 A064566 A120466 this_sequence A004706 A061844 A036510

Adjacent sequences: A159725 A159726 A159727 this_sequence A159729 A159730 A159731

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 20 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.