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 A117017 #14 Sep 29 2023 12:36:57
%S A117017 9,1,7,3,1,7,2,7,5,9,7,8,1,0,8,0,8,1,9,0,4,2,7,1,8,3,5,3,6,0,2,6,0,3,
%T A117017 0,8,3,1,6,8,3,1,3,8,2,5,3,1,2,3,4,2,3,0,4,0,7,3,0,6,7,8,3,5,6,5,5,6,
%U A117017 3,1,6,8,8,5,4,3,4,9,8,5,0,9,5,4,3,7,9,0,9,0,0,6,8,9,0,4,8,3,9,7,3,5,6,9,6
%N A117017 Decimal expansion of (sine of 1 radian)^(1/2).
%F A117017 A117017 = Sum_{n>=0} A008991(n)/A008992(n). - _Johannes W. Meijer_, Feb 10 2013
%e A117017 0.917317275978108081904271835360260308316831382531234230407306783565563168854...
%t A117017 RealDigits[Sqrt[Sin[1]],10,120][[1]] (* _Harvey P. Dale_, Sep 29 2023 *)
%Y A117017 Cf. A049469.
%K A117017 cons,nonn,less
%O A117017 0,1
%A A117017 _Mohammad K. Azarian_, Apr 15 2006
%E A117017 Offset corrected by _Mohammad K. Azarian_, Dec 11 2008