A145329 Partial sums of A051442, starting at n=1.

3, 20, 165, 1814, 25215, 422800, 8284753, 185549202, 4672333603, 130609758204, 4012046505613, 134303337007166, 4865394495960599, 189626416079163448, 7910956276398901049, 351720053331418595386, 16600716065137840118363

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Formula

s+=n^(n+1)+(n+1)^n.

Mathematica

lst={}; s=0; Do[s+=n^(n+1)+(n+1)^n; AppendTo[lst, s], {n, 4!}]; lst
Accumulate[Table[n^(n+1)+(n+1)^n, {n, 20}]] (* Harvey P. Dale, Oct 02 2018 *)

Crossrefs

Sequence in context: A063017 A341963 A276315 * A051643 A213377 A357094

Adjacent sequences: A145326 A145327 A145328 * A145330 A145331 A145332

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Oct 08 2008

Extensions

Edited by N. J. A. Sloane, Oct 09 2008

Status

approved