A035793 Start of a string of exactly 5 consecutive (but disjoint) pairs of twin primes.

909287, 2596619, 9617981, 12628337, 18873497, 21579629, 25739771, 34140077, 39433367, 62832101, 67369397, 84733211, 90122507, 102243017, 132826607, 140456711, 142749149, 180929687, 201057539, 212461979, 219970547, 228001649

Offset

1,1

Links

Vasily Danilov, Table of n, a(n) for n = 1..10000 (terms a(23)-a(500) from _Sebastian Petzelberger).

Randall Rathbun, A study of n-twin_prime clusters among prime numbers, Posting to Number Theory List, Nov 19 1998.

Mathematica

lst={}; Do[p0=Prime[n]; p1=Prime[n+1]; p2=Prime[n+2]; p3=Prime[n+3]; p4=Prime[n+4]; p5=Prime[n+5]; p6=Prime[n+6]; p7=Prime[n+7]; p8=Prime[n+8]; p9=Prime[n+9]; If[p1-p0==p3-p2==p5-p4==p7-p6==p9-p8==2, AppendTo[lst, p0]], {n, 10!}]; lst (* Vladimir Joseph Stephan Orlovsky, Apr 02 2010 *)

Crossrefs

Cf. A001359, A035789, A035790, A035791, A035792, A035793, A035794, A035795, A087641.

Sequence in context: A179735 A015333 A141461 * A102503 A251908 A186608

Adjacent sequences: A035790 A035791 A035792 * A035794 A035795 A035796

Keyword

nonn

Author

Randall L Rathbun

Extensions

a(11)-a(22) from Hugo Pfoertner, Sep 16 2003

Offset corrected by Arkadiusz Wesolowski, May 06 2012

Status

approved