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 A019886 #19 Jul 08 2025 07:42:06 %S A019886 9,7,4,3,7,0,0,6,4,7,8,5,2,3,5,2,2,8,5,3,9,6,9,4,4,8,0,0,8,8,2,6,8,8, %T A019886 3,3,0,0,5,1,2,0,9,8,8,9,4,4,5,6,7,9,4,4,5,9,7,9,7,2,2,2,2,6,6,8,5,8, %U A019886 6,9,9,0,0,3,2,4,3,0,4,2,7,0,2,0,5,8,7,3,4,5,1,9,4,8,9,7,6,3,8 %N A019886 Decimal expansion of sine of 77 degrees. %C A019886 Equals sin(77*Pi/180). - _Wesley Ivan Hurt_, Sep 01 2014 %C A019886 An algebraic number of degree 48 and denominator 2. - _Charles R Greathouse IV_, Nov 06 2017 %H A019886 Ivan Panchenko, <a href="/A019886/b019886.txt">Table of n, a(n) for n = 0..1000</a> %H A019886 <a href="/index/Al#algebraic_48">Index entries for algebraic numbers, degree 48</a> %F A019886 Equals A019875 * A019888 + A019820 * A019833 = A019879 * A019892 + A019816 * A019829. - _R. J. Mathar_, Jan 27 2021 %e A019886 0.974370064785235228539694480088268833005120988944567944597972222... %p A019886 Digits:=100: evalf(sin(77*Pi/180)); # _Wesley Ivan Hurt_, Sep 01 2014 %t A019886 RealDigits[Sin[77 Degree],10,120][[1]] (* _Harvey P. Dale_, Jan 25 2013 *) %o A019886 (PARI) sin(77/180*Pi) \\ _Charles R Greathouse IV_, Nov 06 2017 %K A019886 nonn,cons %O A019886 0,1 %A A019886 _N. J. A. Sloane_