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URL: https://oeis.org/A345360

⇱ A345360 - OEIS

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A345360
a(n) = n^n*n - n.
0
0, 0, 6, 78, 1020, 15620, 279930, 5764794, 134217720, 3486784392, 99999999990, 3138428376710, 106993205379060, 3937376385699276, 155568095557812210, 6568408355712890610, 295147905179352825840, 14063084452067724990992, 708235345355337676357614, 37589973457545958193355582
OFFSET
0,3
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
Sequence in context: A074112 A372181 A197103 * A208473 A379025 A358956
KEYWORD
nonn,easy
AUTHOR
Matt Donahoe, Jun 28 2021
STATUS
approved