A061984 - OEIS

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A061984

a(n) = 1 + a([n/2]) + a([n/3]) with a(0) = 0.

0, 1, 2, 3, 4, 4, 6, 6, 7, 8, 8, 8, 11, 11, 11, 11, 12, 12, 15, 15, 15, 15, 15, 15, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, 21, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 47 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	COMMENTS	`If n = 2^a*3^b, then a(n)-a(n-1) = C(a+b, a). - David Wasserman, Nov 17 2005`
	LINKS	`Table of n, a(n) for n=0..72.`
	CROSSREFS	`Cf. A061980, A061985, A061986, A061987.` `Sequence in context: A162684 A145340 A160680 * A063208 A092988 A138768` `Adjacent sequences: A061981 A061982 A061983 * A061985 A061986 A061987`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley, May 24 2001`
	STATUS	`approved`

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Last modified May 20 23:29 EDT 2013. Contains 225465 sequences.