This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A154580 #12 Jul 29 2024 12:15:29 %S A154580 1,1,7,6,0,9,1,2,5,9,0,5,5,6,8,1,2,4,2,0,8,1,2,8,9,0,0,8,5,3,0,6,2,2, %T A154580 2,8,2,4,3,1,9,3,8,9,8,2,7,2,8,5,8,7,3,2,3,5,1,9,4,3,8,1,7,9,1,7,8,1, %U A154580 2,0,9,6,3,5,0,9,2,3,6,6,1,3,5,5,6,0,4,1,1,0,3,5,2,9,4,3,0,1,2 %N A154580 Decimal expansion of log_10 (15). %H A154580 Vincenzo Librandi, <a href="/A154580/b154580.txt">Table of n, a(n) for n = 1..1000</a> %H A154580 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A154580 Equals A016638 / A002392 = (1+A152914)/(1+A152675). - _R. J. Mathar_, Jul 29 2024 %e A154580 1.1760912590556812420812890085306222824319389827285873235194... %t A154580 RealDigits[Log[10, 15], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 11 2013 *) %o A154580 (PARI) log(15)/log(10) \\ _Charles R Greathouse IV_, Mar 17 2018 %Y A154580 Cf. decimal expansion of log_10(m): A007524 (m=2), A114490 (m=3), A114493 (m=4), A153268 (m=5), A153496 (m=6), A153620 (m=7), A153790 (m=8), A104139 (m=9), A154182 (m=11), A154203 (m=12), A154368 (m=13), A154478 (m=14), this sequence, A154794 (m=16), A154860 (m=17), A154953 (m=18), A155062 (m=19), A155522 (m=20), A155677 (m=21), A155746 (m=22), A155830 (m=23), A155979 (m=24). %K A154580 nonn,cons %O A154580 1,3 %A A154580 _N. J. A. Sloane_, Oct 30 2009