Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A151589
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A151589 Number of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly 8 adjacent element pairs in decreasing order. +0
1
0, 5, 105372, 92123514, 25367820672, 3777055329267 (list; graph; listen)
OFFSET

4,2
CROSSREFS

Sequence in context: A145232 A123591 A133381 this_sequence A038027 A057679 A123751

Adjacent sequences: A151586 A151587 A151588 this_sequence A151590 A151591 A151592

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) May 21 2009

page 1

Search completed in 0.004 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 November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

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