Smallest prime in kx^3+x+4 is prime.

Terms

a(0) =5a(1) =7a(2) =509a(3) =11a(4) =13a(5) =277a(6) =17a(7) =19a(8) =439a(9) =23a(10) =547a(11) =601a(12) =29a(13) =31a(14) =10301a(15) =37a(16) =4259a(17) =41a(18) =43a(19) =1087a(20) =47a(21) =32089a(22) =1249a(23) =53a(24) =168769a(25) =175519a(26) =59a(27) =61a(28) =77213a(29) =1627