A124310 Largest prime < 10*a(n-1), a(1)=29.

29, 283, 2819, 28183, 281807, 2818043, 28180393, 281803927, 2818039241, 28180392407, 281803924067, 2818039240619, 28180392406171, 281803924061641, 2818039240616359, 28180392406163579, 281803924061635783

Offset

1,1

Comments

Practically the same as A124263. - R. J. Mathar, Jun 18 2008

Links

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

Mathematica

NestList[NextPrime[10#, -1]&, 29, 20] (* Harvey P. Dale, Aug 19 2011 *)

Crossrefs

Cf. A006902, A040016, A120031-A120041.

Sequence in context: A142033 A142905 A153175 * A101380 A264298 A244873

Adjacent sequences: A124307 A124308 A124309 * A124311 A124312 A124313

Keyword

nonn

Author

Artur Jasinski, Dec 16 2006, corrected Jan 25 2007

Status

approved