This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A079690 Number of 5's in n!. 13
 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 1, 0, 1, 0, 2, 0, 3, 3, 2, 2, 2, 4, 3, 1, 2, 2, 2, 2, 5, 1, 2, 5, 6, 5, 7, 5, 5, 8, 5, 6, 5, 2, 4, 7, 3, 3, 11, 5, 6, 5, 5, 3, 7, 6, 4, 7, 10, 3, 7, 8, 5, 10, 7, 3, 7, 13, 9, 10, 6, 9, 7, 14, 13, 1, 12, 8, 13, 13, 11, 10, 10, 12, 17, 17, 14, 15, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,18 LINKS FORMULA a(n) = A034886(n) - (A027869(n) + A079680(n) + A079714(n) + A079684(n) + A079688(n) + A079691(n) + A079692(n) + A079693(n) + A079694(n)). - Reinhard Zumkeller, Jan 27 2008 MATHEMATICA DigitCount[#, 10, 5]&/@(Range[0, 100]!) (* Harvey P. Dale, Sep 17 2016 *) CROSSREFS Cf. A027869, A079714. Cf. A000142, A137579, A137580. Sequence in context: A130538 A276007 A078659 * A257510 A305445 A225721 Adjacent sequences:  A079687 A079688 A079689 * A079691 A079692 A079693 KEYWORD easy,nonn AUTHOR Cino Hilliard, Jan 31 2003 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 19 16:17 EDT 2019. Contains 328223 sequences. (Running on oeis4.)