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 A377935 #18 Apr 03 2025 04:14:49 %S A377935 0,7,9,3,2,9,5,4,7,2,8,0,7,2,5,7,1,4,6,9,6,2,8,6,0,6,3,3,7,9,7,8,5,4, %T A377935 4,0,1,9,6,3,3,4,7,4,5,2,5,5,6,7,5,1,7,4,2,9,0,0,5,7,9,6,4,1,9,6,5,8, %U A377935 2,2,6,7,4,1,7,9,1,3,0,1,1,9,2,3,1,7,3 %N A377935 Decimal expansion of the area enclosed by the locus of the centroid of a Reuleaux triangle. %H A377935 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ReuleauxTriangle.html">Reuleaux Triangle</a>. %F A377935 Equals 4 - 8/sqrt(3) + 2*Pi/9. %F A377935 Equals (4/9)*(Pi - 3*A066666). %e A377935 0.0793295472807257146962860633... %t A377935 RealDigits[4 - 8/Sqrt[3] + (2*(Pi/9)), 10, 100, -1][[1]] %Y A377935 Cf. A066666. %K A377935 nonn,cons %O A377935 0,2 %A A377935 _Kritsada Moomuang_, Nov 11 2024