Smallest nonempty set S containing prime divisors of 5k+7 for each k in S.
A020599
Smallest nonempty set S containing prime divisors of 5k+7 for each k in S.
Terms
- a(0) =2a(1) =3a(2) =11a(3) =13a(4) =17a(5) =23a(6) =31a(7) =61
External references
- oeis: A020599