Primeth recurrence: a(n+1) = a(n)-th prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =31a(6) =127a(7) =709a(8) =5381a(9) =52711a(10) =648391a(11) =9737333a(12) =174440041a(13) =3657500101a(14) =88362852307