id:A081326 - OEIS Search Results

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Number of partitions of n into two 3-smooth numbers.

+0
8

0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 0, 3, 2, 2, 2, 3, 1, 3, 1, 2, 3, 2, 2, 4, 1, 2, 2, 3, 1, 2, 1, 2, 2, 0, 0, 3, 1, 2, 2, 2, 0, 3, 1, 3, 2, 1, 1, 3, 0, 1, 2, 2, 1, 3, 1, 2, 0, 2, 0, 4, 2, 1, 2, 2, 0, 2, 0, 3, 2, 2, 1, 3, 1, 1, 1, 2, 1, 3, 1, 0, 1, 0, 0, 3, 2, 1, 3, 2, 0, 2, 0, 2, 2 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`Ivars Peterson, Medieval Harmony.` `Eric Weisstein's World of Mathematics, Smooth Number.`
	EXAMPLE	`n=10 has a(10)=3 partitions into 3-smooth numbers: 10=1+3^2=2+2^3=2^2+23; n=9 has a(9)=2 partitions into 3-smooth numbers: 9=1+2^3=3+23.`
	CROSSREFS	`Cf. A081329, A081330, A081327, A081328, A003586.` `Sequence in context: A131841 A122921 A108128 this_sequence A095139 A109038 A080342` `Adjacent sequences: A081323 A081324 A081325 this_sequence A081327 A081328 A081329`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 19 2003`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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