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 A016649 #22 Jul 22 2025 07:07:32
%S A016649 3,2,5,8,0,9,6,5,3,8,0,2,1,4,8,2,0,4,5,4,7,0,7,1,9,5,6,3,0,2,3,4,9,5,
%T A016649 1,7,2,8,8,0,7,6,8,0,7,9,1,2,0,4,6,2,3,7,0,5,3,9,7,2,5,5,2,0,1,5,6,8,
%U A016649 5,8,2,8,9,2,9,4,1,0,4,8,9,5,0,0,5,4,3,7,9,9,0,4,3,6,9,0,8,1,7
%N A016649 Decimal expansion of log(26).
%D A016649 Milton Abramowitz and Irene A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.
%H A016649 Harry J. Smith, <a href="/A016649/b016649.txt">Table of n, a(n) for n = 1..20000</a>
%H A016649 Milton Abramowitz and Irene 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 A016649 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A016649 Equals A002162 + A016636. - _R. J. Mathar_, Jul 22 2025
%e A016649 3.258096538021482045470719563023495172880768079120462370539725520156858....
%t A016649 RealDigits[Log[26], 10, 100][[1]] (* _Alonso del Arte_, Apr 26 2015 *)
%o A016649 (PARI) default(realprecision, 20080); x=log(26); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016649.txt", n, " ", d)); \\ _Harry J. Smith_, May 20 2009
%Y A016649 Cf. A016454 (continued fraction).
%K A016649 nonn,cons,easy
%O A016649 1,1
%A A016649 _N. J. A. Sloane_