Primes of the form k^3 + k^2 + k - 1.

Terms

a(0) =2a(1) =13a(2) =83a(3) =257a(4) =1109a(5) =2953a(6) =6173a(7) =8419a(8) =14423a(9) =40493a(10) =99497a(11) =127549a(12) =178807a(13) =198533a(14) =347969a(15) =378503a(16) =480713a(17) =599843a(18) =787243a(19) =1271483a(20) =1417583a(21) =1574467a(22) =2883593a(23) =3133597a(24) =3397649a(25) =4770023a(26) =5118203a(27) =5482927a(28) =5671613a(29) =6469637