Primes of the form n^3 + 3*n - 1.

Terms

a(0) =3a(1) =13a(2) =139a(3) =233a(4) =8059a(5) =9323a(6) =19763a(7) =42979a(8) =103963a(9) =125149a(10) =175783a(11) =185363a(12) =216179a(13) =373463a(14) =422099a(15) =456763a(16) =636313a(17) =729269a(18) =778963a(19) =885023a(20) =1061513a(21) =1331329a(22) =1367963a(23) =1561243a(24) =2000753a(25) =2744419a(26) =3724339a(27) =4657963a(28) =6435413a(29) =6968443