[go: up one dir, main page]

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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A125552 Maximal value of m such that 3^m <= n! : a(n) = floor( log(n!) / log(3) ). 2
0, 1, 2, 4, 5, 7, 9, 11, 13, 15, 18, 20, 22, 25, 27, 30, 33, 35, 38, 41, 44, 46, 49, 52, 55, 58, 61, 64, 67, 71, 74, 77, 80, 83, 87, 90, 93, 97, 100, 103, 107, 110, 114, 117, 121, 124, 128, 131, 135, 138, 142, 145, 149, 153, 156, 160, 164, 167, 171 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,3
LINKS
MATHEMATICA
Floor[Log[3, Range[2, 60]!]] (* Harvey P. Dale, Dec 10 2012 *)
PROG
(PARI) a(n)=lngamma(n+1)\log(3) \\ Charles R Greathouse IV, Sep 04 2015
(PARI) a(n)=logint(n!, 3) \\ Charles R Greathouse IV, Sep 04 2015
CROSSREFS
Sequence in context: A357574 A295556 A047893 * A185546 A066026 A112671
KEYWORD
nonn
AUTHOR
Artur Jasinski, Jan 03 2007
EXTENSIONS
More terms from R. J. Mathar, Dec 14 2008
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 August 30 00:57 EDT 2024. Contains 375520 sequences. (Running on oeis4.)