n-th prime is a circular prime (A016114).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =12a(8) =22a(9) =30a(10) =45a(11) =46a(12) =68a(13) =196a(14) =526a(15) =1431a(16) =2254a(17) =17494a(18) =17981