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A297386
Number of Eulerian cycles in the (2n+1)-sun graph.
0
16, 300736, 42276127315968, 146154324190290999534157824
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Eulerian Cycle
Eric Weisstein's World of Mathematics, Sun Graph
CROSSREFS
Sequence in context: A333863 A343245 A300197 * A051675 A288951 A175988
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Dec 29 2017
EXTENSIONS
a(3) from Andrew Howroyd, Jan 11 2018
a(4) from Andrew Howroyd, May 22 2020
STATUS
approved