Primes p such that 6p-7, 6p-5, 6p-1 are all prime.

Terms

a(0) =2a(1) =3a(2) =19a(3) =53a(4) =59a(5) =239a(6) =269a(7) =313a(8) =379a(9) =449a(10) =613a(11) =823a(12) =829a(13) =1373a(14) =1723a(15) =2699a(16) =4019a(17) =5209a(18) =5233a(19) =5923a(20) =6079a(21) =6389a(22) =8069a(23) =8663a(24) =8849a(25) =8933a(26) =11239a(27) =11369a(28) =12269a(29) =12503