OFFSET
0,3
COMMENTS
Multigraphs are loopless.
PROG
(nauty/bash) for n in {1..8}; do geng -c -D${n} ${n} -q | multig -m$[${n}-1] -D$[${n}-1] -u; done
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Natan Arie Consigli, Aug 19 2017
EXTENSIONS
a(0) corrected and a(9)-a(13) from Andrew Howroyd, May 05 2020
STATUS
approved