A020629 Smallest nonempty set S containing prime divisors of 9k+7 for each k in S.

2, 5, 11, 13, 31, 53

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Crossrefs

Sequence in context: A221868 A220141 A106283 * A355657 A224793 A272852

Adjacent sequences: A020626 A020627 A020628 * A020630 A020631 A020632

Keyword

nonn,fini,full

Author

David W. Wilson

Status

approved