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A124267 Largest prime < 10*a(n-1), a(1)=5. 1
5, 47, 467, 4663, 46619, 466183, 4661819, 46618183, 466181801, 4661818009, 46618180033, 466181800327, 4661818003217, 46618180032161, 466181800321609, 4661818003216081, 46618180032160669, 466181800321606627 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..200

MATHEMATICA

NestList[NextPrime[10 #, - 1]&, 5, 30] (* Vincenzo Librandi, Jun 28 2014 *)

CROSSREFS

Cf. A006902, A040016, A120031-A120041.

Sequence in context: A181582 A220558 A241372 * A124450 A136023 A074192

Adjacent sequences:  A124264 A124265 A124266 * A124268 A124269 A124270

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 16 2006

STATUS

approved

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Last modified July 20 01:17 EDT 2019. Contains 325168 sequences. (Running on oeis4.)