Smallest nonempty set S containing prime divisors of 9k+3 for each k in S.
A020625
Smallest nonempty set S containing prime divisors of 9k+3 for each k in S.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =13a(6) =17
External references
- oeis: A020625