Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A022017
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A022017 Number of connected partially ordered sets by number of "lines": pairs (a,b) where a < b and there is no c with a < c < b. The lines form the minimal basis for the partial ordering. +0
3
1, 3, 8, 29, 103 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A000608, A022016.

Adjacent sequences: A022014 A022015 A022016 this_sequence A022018 A022019 A022020

Sequence in context: A060707 A080874 A063546 this_sequence A013309 A058378 A063839

KEYWORD

nonn

AUTHOR

Frank Adams-Watters (FrankTAW(AT)Netscape.net), Mar 30 2002

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 October 11 13:47 EDT 2008. Contains 144830 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.