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 A356418 #60 Aug 26 2022 10:27:20 %S A356418 1,3,8,2,2,7,4,7,9,2,6,9,6,0,6,8,4,8,2,3,6,5,1,0,8,0,4,4,9,1,8,0,4,1, %T A356418 9,0,3,9,5,1,4,1,5,1,5,2,1,7,1,8,1,3,1,0,3,3,3,0,3,2,3,4,4,9,8,5,3,5, %U A356418 4,0,6,9,7,8,7,8,5,6,6,6,6,8,3,2,7,0,0,8,4,5,0,0,5,3,6,0,1 %N A356418 Decimal expansion of sqrt(4/3 + 1/sqrt(3)). %C A356418 This is the radius of the smallest circle containing a system of three unit squares which intersect at the vertices to form an equilateral triangle at the center. %H A356418 Presh Talwalkar, <a href="https://www.youtube.com/watch?v=yCO-Ge5_0_o">Very few people solved this test problem from Australia</a>, YouTube video, 2022. %e A356418 1.382274792696068482365108044918041903951415152171813... %p A356418 evalf(sqrt(4/3 + 1/sqrt(3)), 120); %t A356418 RealDigits[Sqrt[4/3 + 1/Sqrt[3]], 10, 120][[1]] %o A356418 (PARI) sqrt(4/3 + 1/sqrt(3)) %o A356418 (Maxima) fpprec: 100$ ev(bfloat(sqrt(4/3 + 1/sqrt(3)))); %o A356418 (Magma) Sqrt(4/3 + 1/Sqrt(3)); %Y A356418 Cf. A002194, A020760. %K A356418 nonn,cons,easy %O A356418 1,2 %A A356418 _Christoph B. Kassir_, Aug 21 2022