The smallest prime factor of (10*n + 5)^4 + 4^(10*n + 5).

Terms

a(0) =17a(1) =29153a(2) =29a(3) =34350564553a(4) =53a(6) =17a(7) =17a(8) =13a(9) =17a(10) =13a(11) =3613a(12) =29a(13) =13a(14) =204613a(15) =41a(16) =17a(17) =13a(18) =13a(19) =29a(20) =29a(21) =17a(22) =293a(23) =9949a(24) =13a(25) =13a(26) =157a(27) =13a(28) =13a(29) =13a(30) =73