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A129420
Number of isomorphism classes of 5-regular loopless multigraphs of order 2n.
8
1, 5, 54, 1753, 189341, 46935710, 20494522535, 14041749098602, 14155266802426836, 20061744131278672638, 38587417589460488631726, 97900485588988429336271590, 320012505326477694925887757141, 1321269556386383657509085883067690, 6775074159053505093089897813890701467
OFFSET
1,2
COMMENTS
Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/
FORMULA
Euler transform of A129419. - Andrew Howroyd, Mar 17 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
Brendan McKay, Apr 15 2007
EXTENSIONS
a(8)-a(15) from Andrew Howroyd, Mar 21 2020
STATUS
approved