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A126035 a(n) is largest prime < 7*a(n-1). 1
2, 13, 89, 619, 4327, 30271, 211891, 1483231, 10382599, 72678187, 508747279, 3561230947, 24928616591, 174500315999, 1221502211987, 8550515483903, 59853608387317, 418975258711193, 2932826810978261, 20529787676847809 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Artur Jasinski, Table of n, a(n) for n = 1..40

MATHEMATICA

NestList[NextPrime[7#, -1]&, 2, 20] (* Harvey P. Dale, Jul 01 2017 *)

CROSSREFS

Cf. A006902, A040016, A120031-A120040.

Sequence in context: A106937 A033891 A172968 * A074617 A199489 A300764

Adjacent sequences:  A126032 A126033 A126034 * A126036 A126037 A126038

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 16 2006

STATUS

approved

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Last modified July 2 08:02 EDT 2020. Contains 335398 sequences. (Running on oeis4.)