login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A240534 a(n) = denominators of n!/10^n. 1
1, 10, 50, 500, 1250, 2500, 12500, 125000, 156250, 1562500, 1562500, 15625000, 39062500, 390625000, 1953125000, 3906250000, 2441406250, 24414062500, 122070312500, 1220703125000, 610351562500, 6103515625000, 30517578125000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

MATHEMATICA

Table[Denominator[n!/10^n], {n, 0, 30}]

PROG

(Magma) [Denominator(Factorial(n)/10^n): n in [0..30]];

CROSSREFS

Cf. A000142, A011557, A014973, A074143, A092043, A208529.

Sequence in context: A060156 A000450 A124872 * A223161 A216156 A072296

Adjacent sequences: A240531 A240532 A240533 * A240535 A240536 A240537

KEYWORD

nonn,frac

AUTHOR

Vincenzo Librandi, Apr 14 2014

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 28 10:23 EST 2022. Contains 358411 sequences. (Running on oeis4.)