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A113483 a(n)=Prime(a(n-2)+Pi(a(n-1))), where Prime(n) means n-th prime and Pi(n) means number of primes<=n. 0
2, 3, 7, 17, 43, 127, 373, 1229, 4177, 15439, 59141, 242393, 1028051, 4607803, 21355507, 103637683, 519232333, 2706119771, 14531789681, 80784565951, 461802480011, 2722713380077, 16475872190489, 102523358575031 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

MATHEMATICA

a[1] = 2; a[2] = 3; a[n_] := a[n] = Prime[a[n - 2] + PrimePi[a[n - 1]]]; Array[a, 24] (* Robert G. Wilson v *)

CROSSREFS

Sequence in context: A178178 A257553 A143013 * A173868 A274291 A208987

Adjacent sequences:  A113480 A113481 A113482 * A113484 A113485 A113486

KEYWORD

nonn

AUTHOR

Yasutoshi Kohmoto, Jan 12 2006

EXTENSIONS

More terms from Robert G. Wilson v, Jan 13 2006

STATUS

approved

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Last modified October 17 22:15 EDT 2019. Contains 328134 sequences. (Running on oeis4.)