OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Cube-Connected Cycle Graph
Eric Weisstein's World of Mathematics, Wiener Index
FORMULA
a(n) = n * 2^(n-1) * (Sum_{k=1..floor(5n/2)-1} k*A286756(n,k)). - Andrew Howroyd, Sep 08 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Sep 07 2017
EXTENSIONS
a(1)-a(2) and a(13)-a(20) from Andrew Howroyd, Sep 08 2017
STATUS
approved