Prime divisors of (10^9)^(10^9) + 1 = 10^9000000000 + 1.

Terms

a(0) =39937a(1) =64513a(2) =921601a(3) =1514497a(4) =9188353a(5) =11059201a(6) =23500801a(7) =25159681a(8) =99328001a(9) =288000001a(10) =302078977a(11) =593920001a(12) =864000001a(13) =14400000001a(14) =16002416641a(15) =27769098241a(16) =35904000001a(17) =61120000001a(18) =61600000001a(19) =90708480001a(20) =164457013249