A083312 - OEIS

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A083312

Largest integer m such that 1+2+...+m divides n.

1, 1, 2, 1, 1, 3, 1, 1, 2, 4, 1, 3, 1, 1, 5, 1, 1, 3, 1, 4, 6, 1, 1, 3, 1, 1, 2, 7, 1, 5, 1, 1, 2, 1, 1, 8, 1, 1, 2, 4, 1, 6, 1, 1, 9, 1, 1, 3, 1, 4, 2, 1, 1, 3, 10, 7, 2, 1, 1, 5, 1, 1, 6, 1, 1, 11, 1, 1, 2, 4, 1, 8, 1, 1, 5, 1, 1, 12, 1, 4, 2, 1, 1, 7, 1, 1, 2, 1, 1, 9, 13, 1, 2, 1, 1, 3, 1, 1, 2, 4, 1, 3, 1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,3`
	COMMENTS	`Dual of the pseudo-Smarandache function.`
	LINKS	`Table of n, a(n) for n=1..103.` `J. Sandor, On Additive Analogues of Certain Arithmetic Smarandache Functions.` `J. Sandor, Geometric Theorems, Diophantine Equations, Arithmetic Functions, American Research Press, 302 p., 2002.`
	EXAMPLE	`ps(3) = 2 because 1+2 divides 3 and 2 is the largest such number.` `ps(5) = 1 because 1 divides 5, while 1+2, 1+2+3 do not divide 5.`
	CROSSREFS	`Cf. A011772, A007843.` `Sequence in context: A205131 A175892 A010783 * A032435 A117502 A212630` `Adjacent sequences: A083309 A083310 A083311 * A083313 A083314 A083315`
	KEYWORD	`nonn`
	AUTHOR	`K. Reddy (kakie(AT)indiainfo.com), Jun 03 2003`
	EXTENSIONS	`More terms from Sam Alexander (amnalexander(AT)yahoo.com), Jan 03 2004`
	STATUS	`approved`

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Last modified May 24 05:45 EDT 2013. Contains 225617 sequences.