Greater of twin primes.

Terms

a(0) =5a(1) =7a(2) =13a(3) =19a(4) =31a(5) =43a(6) =61a(7) =73a(8) =103a(9) =109a(10) =139a(11) =151a(12) =181a(13) =193a(14) =199a(15) =229a(16) =241a(17) =271a(18) =283a(19) =313a(20) =349a(21) =421a(22) =433a(23) =463a(24) =523a(25) =571a(26) =601a(27) =619a(28) =643a(29) =661