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 A196737 #43 Oct 24 2024 02:20:39 %S A196737 6,6,7,3,0,7,0,5,2,1,6,5,4,3,7,1,2,7,2,3,9,6,0,1,6,3,9,1,3,8,8,4,1,9, %T A196737 9,2,4,3,7,1,6,6,8,3,0,0,6,9,1,8,5,7,2,6,4,5,7,9,2,5,6,5,1,6,5,9,0,5, %U A196737 4,1,2,9,2,0,2,2,8,0,2,1,5 %N A196737 Decimal expansion of (4*Pi^2)/sqrt(35) = A212002/A010490. %C A196737 This sequence is exactly equal to (Pi*h)/Spin(5/2), where h = Planck's Constant = A003676 and Spin(n/2) = h/(4*Pi) * sqrt(n(n+2)) = A003676/(10*A019694) * sqrt(A005563(n)). %H A196737 Wikipedia, <a href="http://en.wikipedia.org/wiki/Spin_(physics)">Spin (physics)</a> %e A196737 6.673070521654371272396016391388419924371668300691857264579256516590541... %t A196737 RealDigits[(4Pi^2)/Sqrt[35],10,120][[1]] (* _Harvey P. Dale_, Jan 26 2021 *) %Y A196737 Cf. A212002, A010490. %K A196737 nonn,cons,easy %O A196737 1,1 %A A196737 _Raphie Frank_, Dec 21 2012