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

1,1

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.

Sequence in context: A291550 A234071 A234795 * A172552 A172604 A172709

Adjacent sequences: A035792 A035793 A035794 * A035796 A035797 A035798

Keyword

nonn

Author

Randall L Rathbun

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

Status

approved