A035792 Start of a string of exactly 4 consecutive (but disjoint) pairs of twin primes.

9419, 62969, 72221, 392261, 495569, 663569, 1006301, 1138367, 1159187, 1173539, 1322147, 2144477, 2168651, 2502341, 2668217, 3020999, 3215711, 3664679, 4890857, 5248079, 5261699, 5532269, 5561597, 5651729, 5787317, 6256727

Offset

1,1

References

Posting to Number Theory List (NMBRTHRY(AT)LISTSERV.NODAK.EDU), Nov. 19 1998.

Links

Sebastian Petzelberger, Table of n, a(n) for n = 1..10000

Mathematica

Prime[Select[Range[1000000], Prime[ # + 1] - Prime[ # ] == 2 && Prime[ # + 3] - Prime[ # + 2] == 2 && Prime[ # + 5] - Prime[ # + 4] == 2 && Prime[ # + 7] - Prime[ # + 6] == 2 &]] (* Tanya Khovanova, Sep 07 2007 *)

Crossrefs

The first term of this sequence is in A087641.

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

Sequence in context: A235447 A068220 A136145 * A252704 A202099 A209854

Adjacent sequences: A035789 A035790 A035791 * A035793 A035794 A035795

Keyword

nonn

Author

Randall L Rathbun

Extensions

a(11)-a(26) from Hugo Pfoertner, Sep 16 2003

Status

approved