

A319897


Number of connected regular loopless multigraphs on n unlabeled nodes with degree up to n.


2



1, 1, 2, 1, 6, 7, 195, 984, 648947, 35494648, 689162614688, 250087643676776, 116889497942206867366
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OFFSET

0,3


COMMENTS

Initial terms computed using 'Nauty and Traces'.


LINKS



FORMULA



CROSSREFS



KEYWORD

nonn,more


AUTHOR



EXTENSIONS

a(1), a(8) corrected and a(10)a(12) added by Andrew Howroyd, Mar 18 2020


STATUS

approved



