%I #13 Aug 14 2023 10:51:17

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

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

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

%N Decimal expansion of log_7(23).

%H Vincenzo Librandi, <a href="/A155824/b155824.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

%e 1.6113252800759311749526955618625945142316012843990194209848...

%t RealDigits[Log[7, 23], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 31 2013 *)

%o (PARI) default(realprecision, 100); log(23)/log(7) \\ _G. C. Greubel_, Sep 02 2018

%o (Magma) SetDefaultRealField(RealField(100)); Log(23)/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), A154912 (m=18), A155059 (m=19), A155496 (m=20), A155591 (m=21), A155735 (m=22), this sequence, A155964 (m=24).

%K nonn,cons

%O 1,2

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