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Decimal expansion of log_7(15).
22

%I #13 Aug 14 2023 10:50:41

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

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

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

%N Decimal expansion of log_7(15).

%H Vincenzo Librandi, <a href="/A154572/b154572.txt">Table of n, a(n) for n = 1..1000</a>

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

%e 1.3916625094004957641083016508204771550109152713563736183621...

%t RealDigits[Log[7, 15], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 31 2013 *)

%o (PARI) default(realprecision, 100); log(15)/log(7) \\ _G. C. Greubel_, Sep 02 2018

%o (Magma) SetDefaultRealField(RealField(100)); Log(15)/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), this sequence, A154793 (m=16), A154857 (m=17), A154912 (m=18), 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