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A089622 a(n) = n^n + n-th prime. 1
3, 7, 32, 263, 3136, 46669, 823560, 16777235, 387420512, 10000000029, 285311670642, 8916100448293, 302875106592294, 11112006825558059, 437893890380859422, 18446744073709551669, 827240261886336764236 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Sum of reciprocals = 0.51158433914035778198539668456352160045247631333773..

LINKS

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

PROG

(PARI) primeppwr2(n) = { sr=0; for(x=1, n, y=x^x+prime(x); print1(y", "); sr+=1./y; ); print(); print(sr) }

CROSSREFS

Sequence in context: A096239 A074699 A115088 * A241147 A143967 A007646

Adjacent sequences:  A089619 A089620 A089621 * A089623 A089624 A089625

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Dec 31 2003

STATUS

approved

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Last modified August 20 10:05 EDT 2019. Contains 326149 sequences. (Running on oeis4.)