A086334 - OEIS

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A086334

Number of highly composite numbers having n distinct prime factors.

1, 2, 5, 6, 12, 11, 16, 14, 19, 21, 15, 23, 18, 17, 22, 20, 30, 23, 31, 25, 28, 33, 27, 28, 36, 27, 33, 35, 33, 36, 46, 37, 47, 36, 38, 36, 48, 43, 37, 43, 39, 40, 45, 36, 37, 36, 47, 46, 43, 43, 48, 43, 44, 47, 58, 52, 50, 51, 57, 50, 51, 56, 66, 67, 66, 67, 94, 76, 98, 74, 70, 71, 71 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..4000 (using data from Flammenkamp)` `A. Flammenkamp, First 1200 highly composite numbers`
	EXAMPLE	`a(0) = 1 because there is 1 highly composite number that has no prime factors; a(9) = 21 because there are 21 highly composite numbers that have 9 distinct prime factors.`
	CROSSREFS	`Cf. A002182.` `Sequence in context: A110975 A190120 A069789 * A198331 A057518 A153485` `Adjacent sequences: A086331 A086332 A086333 * A086335 A086336 A086337`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 01 2003`
	EXTENSIONS	`Corrected and extended by Graeme McRae (g_m(AT)mcraefamily.com), Apr 30 2006`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.