id:A081327 - OEIS Search Results

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Smallest 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, 1, 1, 1, 2, 1, 2, 1, 1, 2, 3, 1, 2, 3, 4, 1, 2, 1, 2, 3, 4, 0, 6, 1, 2, 3, 1, 2, 3, 4, 8, 1, 2, 3, 4, 1, 2, 3, 4, 9, 6, 16, 8, 9, 0, 0, 12, 1, 2, 3, 4, 0, 6, 1, 2, 3, 4, 27, 6, 0, 8, 9, 16, 1, 2, 3, 4, 0, 6, 0, 8, 1, 2, 3, 4, 0, 6, 0, 8, 9, 1, 2, 3, 4, 32, 6, 16, 8, 9, 27, 0, 12, 0, 0, 24, 1, 2, 3, 4, 0 (list; graph; listen)

	OFFSET	`1,6`
	COMMENT	`a(n)=0 iff A081326(n)=0; if a(n)>0: a(n)+A081328(n)=n.`
	EXAMPLE	`a(32) = 8 = 2^3, as 32 = 8 + 3*2^3.`
	CROSSREFS	`Cf. A081329, A081330, A081328, A000040, A003586.` `Sequence in context: A029380 A108129 A078349 this_sequence A030422 A090001 A117166` `Adjacent sequences: A081324 A081325 A081326 this_sequence A081328 A081329 A081330`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 19 2003`

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

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