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 A019822 #17 Aug 21 2023 11:53:49 %S A019822 2,2,4,9,5,1,0,5,4,3,4,3,8,6,4,9,9,8,0,5,1,1,0,7,2,0,8,3,4,2,7,9,6,5, %T A019822 5,8,6,3,1,0,1,3,7,9,9,2,2,8,6,8,5,0,2,1,5,1,2,7,7,9,5,0,7,2,5,6,4,2, %U A019822 5,9,9,3,0,1,6,1,3,3,1,0,4,4,1,1,9,0,8,8,7,8,4,0,0,5,6,1,3,5,2 %N A019822 Decimal expansion of sine of 13 degrees. %C A019822 An algebraic number of degree 48 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017 %H A019822 Ivan Panchenko, <a href="/A019822/b019822.txt">Table of n, a(n) for n = 0..1000</a> %H A019822 <a href="/index/Al#algebraic_48">Index entries for algebraic numbers, degree 48</a> %F A019822 Equals A019821 * A019898 + A019810 * A019887. - _R. J. Mathar_, Jan 27 2021 %t A019822 RealDigits[Sin[13 Degree],10,120][[1]] (* _Harvey P. Dale_, Sep 29 2013 *) %o A019822 (PARI) sin(13*Pi/180) \\ _Charles R Greathouse IV_, Aug 27 2017 %K A019822 nonn,cons %O A019822 0,1 %A A019822 _N. J. A. Sloane_