OFFSET
1,2
COMMENTS
The points are unlabeled.
REFERENCES
See A000112 for references and links about partially ordered sets.
LINKS
EXAMPLE
See Sloane's link.
CROSSREFS
KEYWORD
nonn,more,changed
AUTHOR
Franklin T. Adams-Watters, Mar 30 2002
EXTENSIONS
a(6) to a(9) from A342590. - R. J. Mathar, Mar 21 2021
a(10-12) from Rico Zöllner and Konrad Handrich, Oct 22 2024
STATUS
approved