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 A019816 #17 Aug 21 2023 11:51:57 %S A019816 1,2,1,8,6,9,3,4,3,4,0,5,1,4,7,4,8,1,1,1,2,8,9,3,9,1,9,2,3,1,5,2,5,1, %T A019816 7,6,0,1,3,2,3,5,6,4,6,4,7,1,4,6,8,7,2,0,9,2,7,0,4,8,8,7,3,9,7,7,9,5, %U A019816 1,3,7,8,7,5,2,8,0,7,3,4,6,2,7,5,4,7,5,3,3,1,9,5,6,5,9,5,9,4,0 %N A019816 Decimal expansion of sine of 7 degrees. %C A019816 An algebraic number of degree 48 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017 %H A019816 Ivan Panchenko, <a href="/A019816/b019816.txt">Table of n, a(n) for n = 0..1000</a> %H A019816 <a href="/index/Al#algebraic_48">Index entries for algebraic numbers, degree 48</a> %F A019816 Also cosine of 83 degrees. - _Charles R Greathouse IV_, Aug 27 2017 %F A019816 Equals A019815 * A019898 + A019810 * A019893. - _R. J. Mathar_, Jan 27 2021 %t A019816 RealDigits[Sin[7 Degree],10,120][[1]] (* _Harvey P. Dale_, Mar 25 2016 *) %o A019816 (PARI) sin(7*Pi/180) \\ _Charles R Greathouse IV_, Aug 27 2017 %K A019816 nonn,cons %O A019816 0,2 %A A019816 _N. J. A. Sloane_