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 A140241 #5 Jul 19 2014 14:46:49 %S A140241 2,8,9,5,5,0,2,4,3,7,1,8,5,9,8,4,7,7,5,7,5,4,2,0,6,9,5,9,8,2,5,4,3,3, %T A140241 2,0,1,0,2,6,3,1,9,5,2,4,9,1,1,3,2,3,2,9,5,2,1,0,0,2,3,6,0,1,7,7,0,2, %U A140241 5,8,7,1,6,1,4,5,4,9,0,3,1,3,4,9,1,7,8,1,9,5,8,6,6,7,1,4,3,6,6,5,1,7,1,6,3 %N A140241 Decimal expansion of 180*arccos(7/8)/Pi. %C A140241 Angle in degrees of the least angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. %C A140241 A140241 + A140243 + A140245 = 180. %F A140241 180*arccos(7/8)/Pi = 180*A140240/Pi. %e A140241 28.9550243718598477575420695982543320102631952491132329521002360177025871614... %t A140241 RealDigits[(180*ArcCos[7/8])/Pi,10,120][[1]] (* _Harvey P. Dale_, Jul 19 2014 *) %o A140241 (PARI) 180*acos(7/8)/Pi %Y A140241 Cf. A140239, A140240, A140242, A140243, A140244, A140245, A140246, A140247, A140248, A140249. %K A140241 cons,nonn %O A140241 2,1 %A A140241 _Rick L. Shepherd_, May 14 2008