login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A154912 Decimal expansion of log_7(18). 22

%I

%S 1,4,8,5,3,5,7,2,5,5,2,1,5,1,8,1,4,0,4,1,2,3,2,7,7,4,1,2,3,5,1,1,0,7,

%T 6,0,1,5,8,4,2,1,2,9,8,5,1,4,6,3,9,8,8,9,0,1,3,0,3,9,4,9,8,2,4,0,6,3,

%U 7,2,2,0,8,7,6,0,0,7,8,3,4,2,6,8,4,4,3,7,1,5,4,7,1,8,4,9,5,3,8

%N Decimal expansion of log_7(18).

%H Vincenzo Librandi, <a href="/A154912/b154912.txt">Table of n, a(n) for n = 1..1000</a>

%e 1.4853572552151814041232774123511076015842129851463988901303...

%t RealDigits[Log[7, 18], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 31 2013 *)

%o (PARI) default(realprecision, 100); log(18)/log(7) \\ _G. C. Greubel_, Sep 02 2018

%o (MAGMA) SetDefaultRealField(RealField(100)); Log(18)/Log(7); // _G. C. Greubel_, Sep 02 2018

%Y Cf. decimal expansion of log_7(m): A152713 (m=2), A152945 (m=3), A153103 (m=4), A153203 (m=5), A153463 (m=6), A153755 (m=8), A113211 (m=9), A154158 (m=10), A154179 (m=11), A154200 (m=12), A154294 (m=13), A154467 (m=14), A154572 (m=15), A154793 (m=16), A154857 (m=17), this sequence, A155059 (m=19), A155496 (m=20), A155591 (m=21), A155735 (m=22), A155824 (m=23), A155964 (m=24).

%K nonn,cons

%O 1,2

%A _N. J. A. Sloane_, Oct 30 2009

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 23 09:45 EDT 2019. Contains 328345 sequences. (Running on oeis4.)