A154467 - OEIS

%I #15 Aug 14 2023 10:50:36

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

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

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

%N Decimal expansion of log_7(14).

%H Vincenzo Librandi, <a href="/A154467/b154467.txt">Table of n, a(n) for n = 1..1000</a>

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

%F Equals 1+A152713. - _R. J. Mathar_, Feb 01 2023

%e 1.3562071871080221765141770780012905292977571627728137000395...

%t RealDigits[Log[7, 14], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 31 2013 *)

%o (PARI) default(realprecision, 100); log(14)/log(7) \\ _G. C. Greubel_, Sep 02 2018

%o (Magma) SetDefaultRealField(RealField(100)); Log(14)/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), this sequence, 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