Largest prime factor of the n-th primary pseudoperfect number A054377(n).
A216826
Largest prime factor of the n-th primary pseudoperfect number A054377(n).
Terms
- a(0) =2a(1) =3a(2) =7a(3) =43a(4) =31a(5) =47059a(6) =3109
External references
- oeis: A216826