A057159 - OEIS

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A057159

Numbers n such that n divides s(n), where s(1) = 1, s(n) = s(n-1) + n*3^(n-1).

1, 4, 13, 35, 52, 95, 119, 169, 676, 11596 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..10.`
	FORMULA	`1`
	MATHEMATICA	`s = 1; Do[ If[ Mod[ s, n ] == 0, Print[n]]; s = s + (n + 1)* 3^n, {n, 1, 12600}]`
	CROSSREFS	`Sequence in context: A208740 A127981 A089453 * A189588 A095941 A210843` `Adjacent sequences: A057156 A057157 A057158 * A057160 A057161 A057162`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v, Sep 13 2000`
	STATUS	`approved`

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Last modified May 26 02:53 EDT 2013. Contains 225653 sequences.