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 A097047 #8 Feb 16 2025 08:32:54 %S A097047 6,4,0,3,9,4,6,3,7,6,3,6,7,0,1,9,7,2,9,5,0,0,7,1,9,6,7,5,9,5,8,7,0,9, %T A097047 0,6,8,2,7,3,1,7,9,3,8,3,6,3,8,1,5,9,9,1,7,9,3,9,3,2,3,4,3,5,4,0,2,5, %U A097047 8,4,4,2,2,2,6,7,7,5,5,2,6,0,2,0,8,1,8,6,2,3,7,9,4,5,1,6,5,4,9,6,8,7 %N A097047 Decimal expansion of 1/(2*sqrt(3)) - Pi/36 + log(2 + sqrt(3))/3. %C A097047 Average distance from the center of a unit cube to one of its faces. %H A097047 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubePointPicking.html">Cube Point Picking</a> %e A097047 0.640394637... %t A097047 RealDigits[1/(2*Sqrt[3]) - Pi/36 + Log[2 + Sqrt[3]]/3,10,100][[1]] (* _Vaclav Kotesovec_, Aug 15 2015 *) %K A097047 nonn,cons %O A097047 0,1 %A A097047 _Eric W. Weisstein_, Jul 20 2004