Smallest factor of (2n)^(2n) + 1.

Terms

a(0) =5a(1) =257a(2) =13a(3) =97a(4) =101a(5) =89a(6) =29a(7) =274177a(8) =5a(9) =148721a(10) =5a(11) =17a(12) =53a(13) =449a(14) =17a(15) =641a(16) =13a(17) =17a(18) =5a(19) =17a(20) =5a(21) =41a(22) =29a(23) =769a(24) =41a(25) =89a(26) =13a(27) =17a(28) =5a(29) =17