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 A085679 #22 Nov 20 2024 23:47:30 %S A085679 1,5,7,0,7,9,6,3,2,6,7,9,4,8,9,6,6,1,9,2,3,1,3,2,1,6,9,1,6,3,9,7,5,1, %T A085679 4,4,2,0,9,8,5,8,4,6,9,9,6,8,7,5,4,2,9,1,0,4,8,7,4,7,2,2,9,6,1,5,3,9, %U A085679 0,8,2,0,3,1,4,3,1,0,4,4,9,9,3,1,4,0,1,7,4,1,2,6,7,1,0,5,8,5,3,3,9,9,1,0,7 %N A085679 Decimal expansion of arctan(10^50). %C A085679 Not the same as A019669. First differing term occurs at 10^-49, as list -49, or 51st counting term (a(-49)= 4 and A019669(-49) = 5). - _John W. Nicholson_, Oct 07 2013 %H A085679 J. Blanck, <a href="http://cs-svr1.swan.ac.uk/~csjens/pdf/20640389.pdf">Exact real arithmetic systems: results of competition</a>, pp. 389-393 of J. Blanck et al., eds., Computability and Complexity in Analysis (CCA 2000), Lect. Notes Computer Science, Springer-Verlag, 2001. %H A085679 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %t A085679 RealDigits[ ArcTan[10^50], 10, 111][[1]] (* _Robert G. Wilson v_, Jan 25 2005 *) %o A085679 (PARI) atan(1e50) \\ _Charles R Greathouse IV_, Mar 25 2014 %K A085679 cons,nonn %O A085679 1,2 %A A085679 _N. J. A. Sloane_, Jul 15 2003