Primes p such that p + 6 is also prime. (Lesser of a pair of sexy primes.)

Terms

a(0) =5a(1) =7a(2) =11a(3) =13a(4) =17a(5) =23a(6) =31a(7) =37a(8) =41a(9) =47a(10) =53a(11) =61a(12) =67a(13) =73a(14) =83a(15) =97a(16) =101a(17) =103a(18) =107a(19) =131a(20) =151a(21) =157a(22) =167a(23) =173a(24) =191a(25) =193a(26) =223a(27) =227a(28) =233a(29) =251