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 A020812 #14 Jul 08 2025 07:52:37 %S A020812 1,3,4,8,3,9,9,7,2,4,9,2,6,4,8,4,1,7,2,4,9,2,9,8,1,3,5,2,8,7,2,8,5,6, %T A020812 9,2,0,1,7,8,1,6,4,4,2,1,6,5,4,0,9,1,1,9,9,7,6,9,5,6,7,8,6,6,2,4,4,3, %U A020812 3,2,7,6,0,7,8,4,3,3,6,4,0,7,7,7,3,2,7,4,4,0,2,3,9,9,2,4,0,8,9 %N A020812 Decimal expansion of 1/sqrt(55). %H A020812 Ivan Panchenko, <a href="/A020812/b020812.txt">Table of n, a(n) for n = 0..1000</a> %t A020812 RealDigits[N[1/Sqrt[55], 200]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 12 2011 *) %t A020812 RealDigits[1/Sqrt[55],10,120][[1]] (* _Harvey P. Dale_, Dec 30 2023 *) %K A020812 nonn,cons,easy %O A020812 0,2 %A A020812 _N. J. A. Sloane_