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A129424
Number of isomorphism classes of 7-regular loopless multigraphs of order 2n.
8
1, 8, 271, 90913, 165134083, 861889423083, 10352781874872853, 253226977418079364874, 11542716741789258789499297, 915461016322959135074642849828
OFFSET
1,2
COMMENTS
Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/
FORMULA
Euler transform of A129423. - Andrew Howroyd, Mar 21 2020
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Brendan McKay, Apr 15 2007
EXTENSIONS
a(7)-a(10) from Andrew Howroyd, Mar 21 2020
STATUS
approved