A030641 - OEIS

This site is supported by donations to The OEIS Foundation.

A030641

a(1) = 6; for n > 1, a(n) = product of next 2 primes after a(n-1).

6, 77, 6557, 43112347, 1858675670994257, 3454675249946148511864052376019, 11934781082590483693525046199489720199194471433440678070422853 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`The 2 primes after 77 are 79, 83, so next term is 79*83 = 6557.`
	MAPLE	`f := n->nextprime(n)*nextprime(nextprime(n));`
	CROSSREFS	`Cf. A000040, A030642.` `Sequence in context: A082629 A154642 A154645 * A116280 A134788 A167498` `Adjacent sequences: A030638 A030639 A030640 * A030642 A030643 A030644`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 01:56 EST 2012. Contains 205860 sequences.