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 A111718 #16 Jul 16 2021 15:08:43 %S A111718 6,5,6,5,2,7,9,3,5,6,5,3,5,6,2,6,5,1,4,0,2,7,0,3,4,4,3,8,9,9,3,4,2,3, %T A111718 6,1,6,1,1,7,5,0,8,9,2,7,1,0,5,5,7,8,4,8,0,0,8,4,5,6,6,2,8,0,9,3,4,0, %U A111718 9,4,8,9,9,9,4,2,4,9,7,0,0,6,3,8,3,5,4,2,1,4,8,8,2,9,7,9,7,7,1,1,9,9,6,4 %N A111718 Decimal expansion of (abs(log(cosine of 1 degree)))^(-1). %H A111718 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A111718 6565.2793565356265140... %p A111718 evalf(-1/log(cos(Pi/180))) ; # _R. J. Mathar_, Oct 03 2011 %o A111718 (PARI) -1/log(cos(Pi/180)) \\ _Charles R Greathouse IV_, May 15 2019 %Y A111718 Cf. A019810. %K A111718 nonn,cons %O A111718 4,1 %A A111718 _Mohammad K. Azarian_, Nov 17 2005 %E A111718 a(101)-a(103) corrected by _Georg Fischer_, Jul 16 2021