Semiprimes which are concatenation of two consecutive primes.

Terms

a(0) =35a(1) =57a(2) =1317a(3) =1923a(4) =2329a(5) =2931a(6) =4143a(7) =5359a(8) =5961a(9) =6167a(10) =7379a(11) =8997a(12) =103107a(13) =131137a(14) =181191a(15) =193197a(16) =211223a(17) =227229a(18) =281283a(19) =307311a(20) =347349a(21) =367373a(22) =379383a(23) =383389a(24) =421431a(25) =443449a(26) =503509a(27) =547557a(28) =557563a(29) =577587