Concatenation of n consecutive primes starting with the prime a(n) is a prime.

Terms

a(0) =2a(1) =2a(2) =5a(3) =2a(4) =7a(5) =113a(6) =29a(7) =107a(8) =211a(9) =691a(10) =23a(11) =11a(12) =5a(13) =71a(14) =277a(15) =181a(16) =13a(17) =307a(18) =43a(19) =223a(20) =43a(21) =167a(22) =31a(23) =23a(24) =151a(25) =29a(26) =67a(27) =383a(28) =19a(29) =53