id:A027869 - OEIS Search Results

Search: id:A027869

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Number of 0's in n!.

+0
17

0, 0, 0, 0, 0, 1, 1, 2, 2, 1, 2, 2, 4, 4, 2, 4, 4, 4, 5, 6, 7, 7, 8, 5, 6, 9, 8, 9, 10, 7, 9, 7, 10, 8, 11, 9, 10, 12, 16, 12, 9, 15, 13, 13, 12, 13, 16, 11, 14, 14, 19, 18, 18, 17, 18, 18, 17, 20, 17 (list; graph; listen)

	OFFSET	`0,8`
	LINKS	`Index entries for sequences related to factorial numbers.`
	FORMULA	`a(n) = A034886(n) - (A079680(n) + A079714(n) + A079684(n) + A079688(n) + A079690(n) + A079691(n) + A079692(n) + A079693(n) + A079694(n)). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 27 2008` `A027868(n) <= a(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 27 2008`
	CROSSREFS	`Cf. A000142, A137579, A137580.` `Sequence in context: A070215 A071457 A115034 this_sequence A156748 A075445 A023572` `Adjacent sequences: A027866 A027867 A027868 this_sequence A027870 A027871 A027872`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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