id:A079684 - OEIS Search Results

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Number of 3's in n!.

+0
14

0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 2, 0, 1, 2, 1, 1, 0, 0, 1, 5, 3, 2, 1, 3, 3, 2, 1, 7, 2, 3, 7, 4, 5, 1, 5, 3, 5, 3, 9, 3, 5, 1, 5, 7, 6, 6, 6, 4, 9, 8, 5, 3, 4, 5, 8, 8, 4, 8, 5, 9, 7, 7, 6, 9, 10, 5, 7, 8, 6, 10, 7, 11, 7, 9, 10, 8, 8, 15, 10, 13, 8, 10, 13, 8, 12, 10, 6, 18, 12, 12, 15, 9, 12 (list; graph; listen)

	OFFSET	`0,16`
	LINKS	`Index entries for sequences related to factorial numbers.`
	FORMULA	`a(n) = A034886(n) - (A027869(n) + A079680(n) + A079714(n) + A079688(n) + A079690(n) + A079691(n) + A079692(n) + A079693(n) + A079694(n)). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 27 2008`
	CROSSREFS	`Cf. A079714.` `Cf. A000142, A137579, A137580.` `Sequence in context: A092928 A085097 A117997 this_sequence A033761 A033805 A033797` `Adjacent sequences: A079681 A079682 A079683 this_sequence A079685 A079686 A079687`
	KEYWORD	`easy,nonn`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Jan 31 2003`
	EXTENSIONS	`Corrected by Jason Earls (zevi_35711(AT)yahoo.com), Jul 06 2003`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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