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A035791 Start of a string of exactly 3 consecutive (but disjoint) pairs of twin primes. 4

%I

%S 5,179,809,3359,4217,6761,18041,21587,26861,49367,67187,80447,82721,

%T 91127,97841,98897,103967,109829,122597,154157,178037,203321,208931,

%U 225749,227609,236867,243671,251201,266447,285611,289109,295871,317729

%N Start of a string of exactly 3 consecutive (but disjoint) pairs of twin primes.

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

%e a(2)=179 because (179,181),(191,193),(197,199) is the second occurrence (after (5,7),(11,13),(17,19)) of exactly 3 pairs of twin primes.

%K nonn

%O 1,1

%A Randall Rathbun

%E More terms from _Hugo Pfoertner_, Sep 05 2003

%E Offset corrected by Arkadiusz Wesolowski, May 06 2012

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Last modified September 30 19:57 EDT 2014. Contains 247475 sequences.