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 A019823 #19 Aug 21 2023 11:47:05 %S A019823 2,4,1,9,2,1,8,9,5,5,9,9,6,6,7,7,2,2,5,6,0,4,4,2,3,7,4,1,0,0,3,5,2,9, %T A019823 6,5,2,9,5,0,0,7,9,3,0,3,9,8,7,4,2,8,9,4,5,7,6,4,7,1,2,6,5,8,3,8,8,9, %U A019823 0,8,2,4,6,7,6,1,3,2,5,8,4,3,3,2,3,5,2,8,5,7,8,2,7,3,1,4,9,2,3 %N A019823 Decimal expansion of sine of 14 degrees. %C A019823 An algebraic number of degree 12 with minimal polynomial 4096*x^12 - 12288*x^10 + 512*x^9 + 13824*x^8 - 1152*x^7 - 7168*x^6 + 864*x^5 + 1680*x^4 - 248*x^3 - 144*x^2 + 24*x + 1. - _Charles R Greathouse IV_, Dec 06 2016 %H A019823 Ivan Panchenko, <a href="/A019823/b019823.txt">Table of n, a(n) for n = 0..1000</a> %H A019823 <a href="/index/Al#algebraic_12">Index entries for algebraic numbers, degree 12</a> %F A019823 Equals 2*A019816*A019892. - _R. J. Mathar_, Jan 17 2021 %e A019823 0.241921895... %t A019823 RealDigits[Sin[14 Degree],10,120][[1]] (* _Harvey P. Dale_, Dec 24 2020 *) %o A019823 (PARI) sin(7*Pi/90) \\ _Charles R Greathouse IV_, Dec 06 2016 %K A019823 nonn,cons %O A019823 0,1 %A A019823 _N. J. A. Sloane_