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 A140243 #5 Jul 07 2022 11:56:30 %S A140243 4,6,5,6,7,4,6,3,4,4,2,2,1,0,2,2,8,3,6,3,6,8,6,8,9,5,6,0,2,6,1,8,5,0, %T A140243 1,9,8,4,6,0,5,2,0,7,1,2,6,3,3,0,1,5,0,5,7,1,8,4,9,6,4,5,9,7,3,4,4,6, %U A140243 1,1,9,2,5,7,8,1,7,6,4,5,2,9,7,6,2,3,2,7,0,6,1,9,9,9,2,8,4,5,0,2,2,4,2,5,4 %N A140243 Decimal expansion of 180*arccos(11/16)/Pi. %C A140243 Angle in degrees of the larger acute angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. %C A140243 A140241 + A140243 + A140245 = 180. %F A140243 180*arccos(11/16)/Pi = 180*A140242/Pi. %e A140243 46.5674634422102283636868956026185019846052071263301505718496459734461192578... %t A140243 RealDigits[180 ArcCos[11/16]/Pi,10,120][[1]] (* _Harvey P. Dale_, Jul 07 2022 *) %o A140243 (PARI) 180*acos(11/16)/Pi %Y A140243 Cf. A140239, A140240, A140241, A140242, A140244, A140245, A140246, A140247, A140248, A140249. %K A140243 cons,nonn %O A140243 2,1 %A A140243 _Rick L. Shepherd_, May 14 2008