OFFSET
0,3
LINKS
FORMULA
a(n) = n^(n+1) - n.
a(n) = A007778(n) - n.
E.g.f.: -LambertW(-x)/(1+LambertW(-x))^3-x*exp(x). - Alois P. Heinz, Jul 12 2021
a(n) = n*A048861(n). - Kevin Ryde, Jul 12 2021
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Matt Donahoe, Jun 28 2021
STATUS
approved