Primes of the form n followed by the least k == 1 (mod n).

Terms

a(0) =11a(1) =23a(2) =31a(3) =41a(4) =521a(5) =61a(6) =71a(7) =89a(8) =919a(9) =101a(10) =1123a(11) =1213a(12) =131a(13) =1429a(14) =151a(15) =1697a(16) =17137a(17) =181a(18) =191a(19) =2081a(20) =211a(21) =2267a(22) =2347a(23) =241a(24) =251a(25) =26183a(26) =271a(27) =281a(28) =29581a(29) =3061