A020625 - OEIS

A020625

Smallest nonempty set S containing prime divisors of 9k+3 for each k in S.

2, 3, 5, 7, 11, 13, 17 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..7.`
	CROSSREFS	`Sequence in context: A171474 A323520 A176548 * A033633 A242119 A308505` `Adjacent sequences: A020622 A020623 A020624 * A020626 A020627 A020628`
	KEYWORD	`nonn,fini,full`
	AUTHOR	`David W. Wilson`
	STATUS	`approved`

Last modified March 30 11:15 EDT 2023. Contains 361618 sequences. (Running on oeis4.)