id:A090184 - OEIS Search Results

Search: id:A090184

Displaying 1-1 of 1 results found.

page 1

Number of partitions of the n-th 3-smooth number into sums of 2s and 3s.

+0
5

0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5, 6, 7, 9, 10, 11, 13, 14, 17, 19, 22, 25, 28, 33, 37, 41, 43, 49, 55, 65, 73, 82, 86, 97, 109, 122, 129, 145, 163, 171, 193, 217, 244, 257, 289, 325, 342, 365, 385, 433, 487, 513, 577, 649, 683, 730, 769, 865, 973, 1025, 1094, 1153 (list; graph; listen)

	OFFSET	`0,5`
	COMMENT	`a(n) = A008615(A003586(n) + 2).`
	FORMULA	`a(2^i * 3^j) = floor(2^(i-1) * 3^(j-1) + 1), i*j>0.`
	EXAMPLE	`n=10: A003586(10) = 2^3 * 3 = 24: 3+3+3+3+3+3+3+3 = 3+3+3+3+3+3+2+2+2 = 3+3+3+3+2+2+2+2+2+2 = 3+3+2+2+2+2+2+2+2+2+2 = 2+2+2+2+2+2+2+2+2+2+2+2: a(10)=5.`
	CROSSREFS	`Cf. A022328, A022329.` `Cf. A117222, A117220, A117221.` `Sequence in context: A067842 A164066 A053251 this_sequence A029057 A087897 A029056` `Adjacent sequences: A090181 A090182 A090183 this_sequence A090185 A090186 A090187`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 21 2004`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research