A020597 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A020597

Smallest nonempty set S containing prime divisors of 5k+3 for each k in S.

2, 7, 11, 13, 17, 19, 29, 37, 47

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Sequence in context: A043292 A207526 A175442 * A140563 A154679 A191052

Adjacent sequences: A020594 A020595 A020596 * A020598 A020599 A020600

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson

STATUS

approved