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 A016673 #22 Jun 07 2024 09:13:34
%S A016673 3,9,1,2,0,2,3,0,0,5,4,2,8,1,4,6,0,5,8,6,1,8,7,5,0,7,8,7,9,1,0,5,5,1,
%T A016673 8,4,7,1,2,6,7,0,2,8,4,2,8,9,7,2,9,0,6,9,7,9,4,5,9,7,5,7,9,2,4,4,1,7,
%U A016673 5,1,5,9,7,3,8,5,0,1,0,2,4,4,8,6,6,1,3,1,0,8,3,1,8,2,7,7,7,9,0
%N A016673 Decimal expansion of log(50).
%D A016673 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.
%H A016673 Harry J. Smith, <a href="/A016673/b016673.txt">Table of n, a(n) for n = 1..20000</a>
%H A016673 M. Abramowitz and I. A. Stegun, eds., <a href="http://www.convertit.com/Go/ConvertIt/Reference/AMS55.ASP">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
%H A016673 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A016673 Equals A002162 + 2*A016628. - _R. J. Mathar_, Jun 07 2024
%e A016673 3.912023005428146058618750787910551847126702842897290697945975792441751....
%t A016673 RealDigits[Log[50], 10, 120][[1]] (* _Vincenzo Librandi_, Jun 21 2015 *)
%o A016673 (PARI) default(realprecision, 20080); x=log(50); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016673.txt", n, " ", d)); \\ _Harry J. Smith_, May 21 2009
%Y A016673 Cf. A016478 (continued fraction).
%K A016673 nonn,cons
%O A016673 1,1
%A A016673 _N. J. A. Sloane_