Primes of the form prime(nk) followed by prime(k).

Terms

a(0) =73a(1) =6113a(2) =193a(3) =293a(4) =373a(5) =433a(6) =26317a(7) =613a(8) =94153a(9) =38917a(10) =2237a(11) =1013a(12) =43313a(13) =76123a(14) =82723a(15) =76919a(16) =70117a(17) =169943a(18) =1733a(19) =4337a(20) =1933a(21) =1993a(22) =421189a(23) =2293a(24) =2393a(25) =195131a(26) =2633a(27) =2713a(28) =86311a(29) =510179