a(1) = 1, a(n) = the largest prime divisor of A138793(n).
A138963
a(1) = 1, a(n) = the largest prime divisor of A138793(n).
Terms
- a(0) =1a(1) =7a(2) =107a(3) =149a(4) =953a(5) =218107a(6) =402859a(7) =4877a(8) =379721a(9) =4349353a(10) =169373a(11) =182473a(13) =2184641a(14) =437064932281
External references
- oeis: A138963