Smallest nonempty set S containing prime divisors of 7k+5 for each k in S.
A020610
Smallest nonempty set S containing prime divisors of 7k+5 for each k in S.
Terms
- a(0) =2a(1) =3a(2) =11a(3) =13a(4) =17a(5) =19a(6) =23a(7) =31a(8) =37a(9) =41a(10) =43a(11) =73a(12) =83a(13) =257a(14) =293
External references
- oeis: A020610