A104588 - OEIS

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A104588

Product of primes less than or equal to sqrt(n).

1, 1, 1, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	FORMULA	`For n>0, #p(n) appears {(p(n+1))^2 - (p(n))^2} times [from n=(p(n))^2 to n=(p(n+1))^2 - 1, inclusive], i.e. A002110(n) appears A069482(n) times [from n=A001248(n) to n=A001248(n+1)-1, inclusive]`
	CROSSREFS	`Sequence in context: A139516 A160762 A112968 * A157279 A010671 A088050` `Adjacent sequences: A104585 A104586 A104587 * A104589 A104590 A104591`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Mar 17 2005`

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.