A154200 - OEIS

%I #13 Aug 14 2023 10:50:24

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

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

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

%N Decimal expansion of log_7(12).

%H Vincenzo Librandi, <a href="/A154200/b154200.txt">Table of n, a(n) for n = 1..1000</a>

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

%e 1.2769894082696239668329043231774895947387422367324199951245...

%t RealDigits[Log[7, 12], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 31 2013 *)

%o (PARI) default(realprecision, 100); log(12)/log(7) \\ _G. C. Greubel_, Sep 02 2018

%o (Magma) SetDefaultRealField(RealField(100)); Log(12)/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), this sequence, 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), A155824 (m=23), A155964 (m=24).

%K nonn,cons

%O 1,2

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