A020582 - 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

A020582

Smallest nonempty set S containing prime divisors of 3k+4 for each k in S.

5, 7, 11, 17, 19, 23, 37, 61, 73, 223, 673

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Sequence in context: A364867 A155772 A258992 * A106863 A200569 A110016

Adjacent sequences: A020579 A020580 A020581 * A020583 A020584 A020585

KEYWORD

nonn,fini,full

AUTHOR

David W. Wilson

STATUS

approved