Smallest prime factor of A282704.

Terms

a(0) =3a(1) =11a(2) =59a(3) =419a(4) =31a(5) =19a(6) =1021019a(7) =19399379a(8) =41a(9) =229a(10) =173a(12) =919a(13) =21519583a(14) =53a(15) =461a(16) =151a(17) =101a(18) =281a(20) =158616683341a(22) =271a(23) =300423271