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 A051554 #10 Nov 05 2017 21:55:00 %S A051554 9,9,8,4,9,7,1,4,9,8,6,3,8,6,3,8,3,3,6,3,5,7,6,4,4,8,5,4,0,8,8,0,5,0, %T A051554 6,8,1,0,1,3,6,2,3,2,0,2,6,7,3,8,6,5,0,3,5,1,6,5,7,7,0,8,3,4,0,8,7,8, %U A051554 9,7,4,8,0,4,6,7,8,0,3,7,4,0,4,3,2,5,9,1,8,8,9,5,5,3,9,7,7,6,3 %N A051554 Decimal expansion of cos(Pi degrees). (Of course, cos(Pi radians) = -1.) %e A051554 cos( Pi^2 / 180 ) = .99849714986... %t A051554 RealDigits[Cos[Pi Degree],10,120][[1]] (* _Harvey P. Dale_, May 28 2014 *) %o A051554 (PARI) cos(Pi^2/180) \\ _Charles R Greathouse IV_, Nov 05 2017 %Y A051554 Cf. A051553, A051555, A051557-A051559. %K A051554 nonn,cons,easy %O A051554 0,1 %A A051554 _N. J. A. Sloane_