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 A019861 #15 Aug 21 2023 11:48:19 %S A019861 7,8,8,0,1,0,7,5,3,6,0,6,7,2,1,9,5,6,6,9,3,9,7,7,7,8,7,8,3,5,8,5,1,6, %T A019861 6,6,6,4,1,6,9,6,7,8,8,4,7,5,4,2,8,7,3,8,5,4,1,3,3,4,3,0,9,3,9,1,4,2, %U A019861 9,7,3,7,7,0,5,7,6,8,1,3,2,5,6,1,4,4,4,4,1,9,1,7,5,2,9,7,9,6,7 %N A019861 Decimal expansion of sine of 52 degrees. %C A019861 An algebraic number of degree 24 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017 %H A019861 Ivan Panchenko, <a href="/A019861/b019861.txt">Table of n, a(n) for n = 0..1000</a> %H A019861 <a href="/index/Al#algebraic_24">Index entries for algebraic numbers, degree 24</a> %F A019861 Also cos(19*Pi/90). - _Charles R Greathouse IV_, Aug 27 2017 %F A019861 Equals 2*A019835*A019873. - _R. J. Mathar_, Jan 17 2021 %e A019861 0.7880107... %o A019861 (PARI) sin(13*Pi/45) \\ _Charles R Greathouse IV_, Aug 27 2017 %K A019861 nonn,cons %O A019861 0,1 %A A019861 _N. J. A. Sloane_