A116048 - OEIS

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A116048

sigma(n) times the n-th prime gives a triangular number.

5, 7, 15, 96 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Probably finite.`
	LINKS	`Table of n, a(n) for n=1..4.`
	EXAMPLE	`p(96) * sigma(96) = 503 * 252 = T(503).`
	CROSSREFS	`Sequence in context: A076860 A067589 A059613 * A120282 A132094 A082878` `Adjacent sequences: A116045 A116046 A116047 * A116049 A116050 A116051`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Resta, Feb 13 2006`
	STATUS	`approved`

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Last modified May 23 12:02 EDT 2013. Contains 225587 sequences.