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 A020813 #12 Jul 08 2025 07:52:44 %S A020813 1,3,3,6,3,0,6,2,0,9,5,6,2,1,2,1,9,2,3,4,2,2,7,6,7,4,0,4,3,9,8,7,6,7, %T A020813 6,0,7,7,7,0,0,0,7,0,7,4,2,0,6,6,8,8,1,9,5,1,0,8,4,8,0,5,2,4,0,4,2,8, %U A020813 6,9,6,9,8,6,8,1,0,4,9,6,5,2,8,4,8,8,6,0,6,7,6,8,5,5,1,3,5,5,6 %N A020813 Decimal expansion of 1/sqrt(56). %H A020813 Ivan Panchenko, <a href="/A020813/b020813.txt">Table of n, a(n) for n = 0..1000</a> %t A020813 RealDigits[N[1/Sqrt[56], 200]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 12 2011 *) %K A020813 nonn,cons,easy %O A020813 0,2 %A A020813 _N. J. A. Sloane_