OFFSET
0,5
LINKS
CROSSREFS
This sequence is the row sum sequence of A185204.
Regular graphs, of any degree, with girth at least 4: A186724 (connected), this sequence (disconnected), A185314 (not necessarily connected).
KEYWORD
nonn,more,hard
AUTHOR
Jason Kimberley, Mar 26 2012
EXTENSIONS
a(31) corrected by the author, propagated from A185244, Jan 05 2013
STATUS
approved