OFFSET
1,3
COMMENTS
Also: number of isomorphism classes of connected loopless simple graphs with maximum degree at most 3. - Brendan McKay, Mar 11 2020
LINKS
G. Brinkmann, N. Van Cleemput, T. Pisanski, Generation of various classes of trivalent graphs, Theoretical Computer Science 502, 2013, pp.16-29.
CROSSREFS
KEYWORD
nonn
AUTHOR
Nico Van Cleemput, Jun 04 2014
EXTENSIONS
a(24)-a(28) from Andrew Howroyd, Mar 20 2020
STATUS
approved