Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A032177
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A032177 Number of connected functions of n points with no fixed points and with no symmetries. +0
2
0, 0, 1, 2, 6, 12, 30, 66, 156, 357, 842, 1961, 4643, 10960, 26072, 62084, 148499, 355784, 855038, 2058536, 4967099, 12005308, 29067646, 70483478, 171158311, 416168250, 1013156687, 2469301316, 6024696764 (list; graph; listen)
OFFSET

1,4
FORMULA

Difference between A015183 and A004111.

CROSSREFS

Cf. A002862.

Sequence in context: A100071 A129912 A161507 this_sequence A095349 A022916 A073949

Adjacent sequences: A032174 A032175 A032176 this_sequence A032178 A032179 A032180

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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 November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

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