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 A307029 #6 Mar 23 2019 09:14:59 %S A307029 5,2,6,9,9,8,8,1,6,7,6,0,6,5,4,6,1,8,2,0,2,0,7,0,1,9,8,4,8,5,1,3,5,7, %T A307029 5,7,3,9,9,6,8,7,0,3,6,2,6,3,5,1,9,8,2,7,3,9,2,5,2,6,4,6,9,3,8,2,2,6, %U A307029 4,2,5,8,3,6,3,5,7,6,3,3,9,1,9,8,9,7,5 %N A307029 Decimal expansion of the average distance of a point from a line that passes through another 2 points, when the 3 points are randomly selected within a unit-radius disk. %H A307029 Roger Pinkham, <a href="https://www.jstor.org/stable/2974741">Problem 10585</a>, The American Mathematical Monthly, Vol. 104, No. 5 (1997), pp. 456, <a href="https://www.jstor.org/stable/2589068">solution</a>, by Richard Holzsager, Vol. 106, No. 2 (1999), pp. 171-172. %F A307029 Equals 8192/(1575*Pi^2). %e A307029 0.526998816760654618202070198485135757399687036263519... %t A307029 RealDigits[8192/(1575*Pi^2), 10, 100][[1]] %Y A307029 Cf. A093070, A130203, A130204, A245684. %K A307029 nonn,cons %O A307029 0,1 %A A307029 _Amiram Eldar_, Mar 20 2019