Number of prime powers that do not exceed the primorial number A002110(n).
A380404
Number of prime powers that do not exceed the primorial number A002110(n).
Terms
- a(0) =0a(1) =1a(2) =4a(3) =16a(4) =60a(5) =377a(6) =3323a(7) =42518a(8) =646580a(9) =12285485a(10) =300378113a(11) =8028681592a(12) =259488951722
External references
- oeis: A380404