Lower twin primes p such that 6*p-1 and 6*p+1 are twin primes and (p+1)/6 is prime.

Terms

a(0) =17a(1) =137a(2) =23537a(3) =92957a(4) =157217a(5) =318677a(6) =326657a(7) =440177a(8) =510617a(9) =521537a(10) =558497a(11) =577937a(12) =617717a(13) =651017a(14) =661097a(15) =861437a(16) =969257a(17) =1093997a(18) =1152077a(19) =1168337a(20) =1177157a(21) =1260317a(22) =1299917a(23) =1356077a(24) =1463177a(25) =1514657a(26) =1600097a(27) =1617437a(28) =1768757a(29) =1773977