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 A019835 #17 Aug 21 2023 11:47:53 %S A019835 4,3,8,3,7,1,1,4,6,7,8,9,0,7,7,4,1,7,4,5,2,7,3,4,5,4,0,6,5,8,2,6,5,7, %T A019835 3,9,0,6,2,7,5,5,7,1,9,9,8,8,5,5,2,1,1,4,4,3,1,1,2,6,2,5,6,6,5,2,8,1, %U A019835 6,3,3,4,0,1,3,4,3,9,0,0,3,9,0,7,7,8,0,4,0,6,3,6,4,7,4,9,6,4,1 %N A019835 Decimal expansion of sine of 26 degrees. %C A019835 An algebraic number of degree 12 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017 %H A019835 Ivan Panchenko, <a href="/A019835/b019835.txt">Table of n, a(n) for n = 0..1000</a> %H A019835 <a href="/index/Al#algebraic_12">Index entries for algebraic numbers, degree 12</a> %F A019835 Equals 2*A019822*A019886. - _R. J. Mathar_, Jan 17 2021 %e A019835 0.43837114... %t A019835 RealDigits[Sin[26 Degree],10,120][[1]] (* _Harvey P. Dale_, Jul 23 2021 *) %o A019835 (PARI) sin(13*Pi/90) \\ _Charles R Greathouse IV_, Aug 27 2017 %K A019835 nonn,cons %O A019835 0,1 %A A019835 _N. J. A. Sloane_