A020598 Smallest nonempty set S containing prime divisors of 5k+4 for each k in S.

3, 7, 11, 13, 17, 19, 23, 59, 79, 89, 173, 449

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Crossrefs

Sequence in context: A020632 A020596 A020600 * A310193 A226014 A023236

Adjacent sequences: A020595 A020596 A020597 * A020599 A020600 A020601

Keyword

nonn,fini,full

Author

David W. Wilson

Status

approved