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A154339 Decimal expansion of log_9 (13). 19

%I

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

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

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

%N Decimal expansion of log_9 (13).

%H Vincenzo Librandi, <a href="/A154339/b154339.txt">Table of n, a(n) for n = 1..1000</a>

%e 1.1673587597363963466898012036222642479308832933624156732196...

%t RealDigits[Log[9, 13], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 01 2013 *)

%o (PARI) default(realprecision, 100); log(13)/log(9) \\ _G. C. Greubel_, Sep 01 2018

%o (MAGMA) SetDefaultRealField(RealField(100)); Log(13)/Log(9); // _G. C. Greubel_, Sep 01 2018

%Y Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), this sequence, A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

%K nonn,cons

%O 1,3

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

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Last modified May 21 18:58 EDT 2019. Contains 323444 sequences. (Running on oeis4.)