Start of a string of exactly 1 consecutive (but disjoint) pair of twin primes.

Terms

a(0) =29a(1) =41a(2) =59a(3) =71a(4) =227a(5) =239a(6) =269a(7) =281a(8) =311a(9) =347a(10) =461a(11) =521a(12) =569a(13) =599a(14) =617a(15) =641a(16) =659a(17) =857a(18) =881a(19) =1091a(20) =1151a(21) =1229a(22) =1277a(23) =1289a(24) =1301a(25) =1319a(26) =1427a(27) =1451a(28) =1607a(29) =1619