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A062815 Sum i^(i+1), i = 1..n. 1
1, 9, 90, 1114, 16739, 296675, 6061476, 140279204, 3627063605, 103627063605, 3242055440326, 110235260819398, 4047611646518687, 159615707204330911, 6728024062917221536, 301875929242270047392, 14364960381309995038401 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

MATHEMATICA

Accumulate[#^(#+1)&/@Range[17]]  (* From Harvey P. Dale, Mar 18 2011 *)

CROSSREFS

Sequence in context: A082367 A049389 A127769 * A218118 A160569 A157545

Adjacent sequences:  A062812 A062813 A062814 * A062816 A062817 A062818

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard, Jun 23 2001

EXTENSIONS

Definition simplified by Jon Schoenfield, Nov 29 2008

STATUS

approved

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Last modified June 19 19:50 EDT 2013. Contains 226416 sequences.