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 A171540 #5 Jan 30 2016 16:25:51 %S A171540 5,9,7,6,1,4,3,0,4,6,6,7,1,9,6,8,1,9,9,8,4,4,0,8,5,8,9,8,4,6,5,6,2,4, %T A171540 9,2,4,2,3,4,3,9,5,4,9,4,9,9,0,5,1,5,7,1,2,9,3,7,0,8,2,4,5,0,5,7,4,4, %U A171540 1,9,8,0,4,2,4,5,1,2,1,4,9,8,7,9,1,5,3,3,6,5,6,8,9,2,5,1,0,9,7,2,6,0,9,9,8 %N A171540 Decimal expansion of sqrt(5/14). %C A171540 The absolute value of the Clebsch-Gordan coupling coefficient <j1 j2; m1 m2 | J M> = <2 3/2 ; -1 1/2 | 5/2 -1/2>. %H A171540 Wikipedia, <a href="https://en.wikipedia.org/wiki/Table_of_Clebsch%E2%80%93Gordan_coefficients">Table of Clebsch-Gordan coefficients</a> %F A171540 equals A002163/A010471 = A010467/A010483. %e A171540 sqrt(5/14) = sqrt(70)/14 = 0.597614304667196819984408589846... %t A171540 RealDigits[Sqrt[5/14],10,120][[1]] (* _Harvey P. Dale_, Oct 19 2012 *) %K A171540 cons,easy,nonn %O A171540 0,1 %A A171540 _R. J. Mathar_, Dec 11 2009