A035795 Start of a string of exactly 7 consecutive (but disjoint) pairs of twin primes.
678771479, 17479880399, 17830729991, 23799917819, 70455134039, 79453842029, 108108566471, 150411604619, 163868216387, 256385651969, 444790621787, 446688503687, 496081268777, 502910801927, 688735396829, 711503536589, 712407842477, 793957831409, 808316366171, 881191407827, 891108993767, 896804723201
Offset: 1
Keywords
Links
- Tomáš Brada, Table of n, a(n) for n = 1..10000 (terms 23..29 from Vasily Danilov, terms 30..4608 from Dmitry Petukhov)
- R. Rathbun, A study of n-twin_prime clusters among primes, NMBRTHRY Mailing List, Nov 19 1998.
Crossrefs
The first term of this sequence is in A087641.
Extensions
More terms from Jud McCranie, Sep 16 2003
Offset corrected by Arkadiusz Wesolowski, May 06 2012
a(17) from Natalia Makarova, Oct 06 2015
a(18)-a(22) from Vasily Danilov, Oct 08 2015