A065334 - OEIS

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A065334

2-exponents to represent 3-smooth numbers (A065332).

0, 1, 0, 2, 0, 1, 0, 3, 0, 0, 0, 2, 0, 0, 0, 4, 0, 1, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	COMMENTS	`a(n) = log_2(n / A038500(n)), where log_2 = A000523. For k > 0 with A065332(k) > 0: A065332(k) = (2^a(k)) * (3^A065335(k)).`
	FORMULA	`a(n) = A007815(n) * A065333(n).`
	CROSSREFS	`Sequence in context: A039655 A103775 A093057 * A162590 A191258 A191255` `Adjacent sequences: A065331 A065332 A065333 * A065335 A065336 A065337`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 29 2001`

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.