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A285688 a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of three primes. 6
2, 29, 37, 67, 79, 97, 109, 127, 139, 151, 163, 181, 193, 211, 223, 241, 269, 277, 307, 337, 349, 367, 379, 397, 409, 421, 433, 461, 479, 487, 499, 541, 569, 577, 607, 619, 631, 643, 661, 673, 691, 709, 727, 739, 751, 769, 787, 829, 857, 877, 907, 919, 937, 967, 997, 1009, 1021, 1033 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

First differences: 27,8,30,12,18,12,18,12,12,12,18,12,18,12,18,28,8,30,30,12,18,12

LINKS

Table of n, a(n) for n=1..58.

MATHEMATICA

NestList[Module[{p = NextPrime@ #}, While[PrimeOmega[p - #] != 3, p = NextPrime@ p]; p] &, 2, 57] (* Michael De Vlieger, Apr 25 2017 *)

CROSSREFS

Cf. A255609.

Sequence in context: A060503 A180231 A141172 * A139833 A260792 A059700

Adjacent sequences:  A285685 A285686 A285687 * A285689 A285690 A285691

KEYWORD

nonn

AUTHOR

Zak Seidov, Apr 24 2017

STATUS

approved

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Last modified September 26 04:31 EDT 2020. Contains 337346 sequences. (Running on oeis4.)