A020629 - OEIS

A020629

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

2, 5, 11, 13, 31, 53 (list; graph; refs; listen; history; text; internal format)

	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`

Last modified March 29 19:01 EDT 2023. Contains 361599 sequences. (Running on oeis4.)