Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A079455
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A079455 Number of unlabeled and connected graphs on n vertices which are long hole-free (i.e. the graph contains no induced cycle of size 5 or more.). +0
1
1, 1, 2, 6, 20, 104, 716, 7624, 122010 (list; graph; listen)
OFFSET

1,3
COMMENT

This class contains the chordal graphs.

CROSSREFS

Sequence in context: A003094 A073964 A079457 this_sequence A052433 A078566 A076323

Adjacent sequences: A079452 A079453 A079454 this_sequence A079456 A079457 A079458

KEYWORD

more,nonn

AUTHOR

Jim Nastos (nastos(AT)gmail.com), Jan 13 2003

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 08:46 EST 2009. Contains 167481 sequences.

AT&T Labs Research

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