OFFSET
0,10
LINKS
N. J. A. Sloane, Transforms
Jason Kimberley, Disconnected regular graphs (with girth at least 3)
Jason Kimberley, Index of sequences counting disconnected k-regular simple graphs with girth at least g
Eric Weisstein's World of Mathematics, Septic Graph
FORMULA
CROSSREFS
7-regular simple graphs: A014377 (connected), this sequence(disconnected), A165628 (not necessarily connected).
KEYWORD
nonn,hard,more
AUTHOR
Jason Kimberley, Sep 28 2009
EXTENSIONS
a(13)-a(16) from Andrew Howroyd, May 20 2020
STATUS
approved