Smallest nonempty set S containing prime divisors of 5k+4 for each k in S.

A020598

Smallest nonempty set S containing prime divisors of 5k+4 for each k in S.

Terms

    a(0) =3a(1) =7a(2) =11a(3) =13a(4) =17a(5) =19a(6) =23a(7) =59a(8) =79a(9) =89a(10) =173a(11) =449

External references