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!)
A155553 Decimal expansion of log_5 (21). 22
1, 8, 9, 1, 6, 6, 8, 1, 4, 9, 6, 0, 8, 1, 5, 2, 8, 5, 1, 8, 9, 7, 8, 8, 2, 7, 0, 4, 8, 1, 8, 4, 1, 2, 3, 2, 4, 1, 4, 1, 2, 2, 5, 3, 2, 9, 5, 8, 4, 0, 0, 0, 3, 3, 8, 3, 6, 6, 2, 9, 2, 8, 9, 2, 3, 4, 6, 6, 2, 4, 3, 6, 3, 9, 2, 4, 4, 1, 3, 2, 6, 3, 9, 3, 5, 9, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
1.8916681496081528518978827048184123241412253295840003383662...
MATHEMATICA
RealDigits[Log[5, 21], 10, 100][[1]] (* Vincenzo Librandi, Aug 31 2013 *)
PROG
(PARI) log(21)/log(5) \\ Charles R Greathouse IV, May 15 2020
CROSSREFS
Cf. decimal expansion of log_5(m): A152675 (m=2), A152914 (m=3), A153101 (m=4), A153461 (m=6), A153616 (m=7), A153739 (m=8), A154008 (m=9), A154156 (m=10), A154177 (m=11), A154198 (m=12), A154265 (m=13), A154465 (m=14), A154564 (m=15), A154759 (m=16), A154850 (m=17), A154910 (m=18), A155035 (m=19), A155184 (m=20), this sequence, A155696 (m=22), A155821 (m=23), A155958 (m=24).
Sequence in context: A367732 A132718 A154904 * A302765 A053463 A073636
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Oct 30 2009
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 May 3 22:58 EDT 2024. Contains 372225 sequences. (Running on oeis4.)