id:A081328 - OEIS Search Results

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Greatest 3-smooth number m such that n-m is also 3-smooth, a(n)=0 if no such 3-smooth number exists.

+0
4

0, 1, 2, 3, 4, 4, 6, 6, 8, 9, 9, 9, 12, 12, 12, 12, 16, 16, 18, 18, 18, 18, 0, 18, 24, 24, 24, 27, 27, 27, 27, 24, 32, 32, 32, 32, 36, 36, 36, 36, 32, 36, 27, 36, 36, 0, 0, 36, 48, 48, 48, 48, 0, 48, 54, 54, 54, 54, 32, 54, 0, 54, 54, 48, 64, 64, 64, 64, 0, 64, 0, 64, 72, 72, 72, 72, 0 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(n)=0 iff A081326(n)=0; if a(n)>0: a(n)+A081327(n)=n.`
	EXAMPLE	`a(32) = 24 = 3*2^3, as 32 = 2^3 + 24.`
	CROSSREFS	`Cf. A081329, A081330, A081327, A000040, A003586.` `Sequence in context: A102441 A102440 A124815 this_sequence A072455 A066981 A130043` `Adjacent sequences: A081325 A081326 A081327 this_sequence A081329 A081330 A081331`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 19 2003`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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