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 A020815 #12 Jul 08 2025 07:52:57 %S A020815 1,3,1,3,0,6,4,3,2,8,5,9,7,2,2,5,5,6,6,4,9,3,3,4,6,7,2,8,8,2,0,4,0,0, %T A020815 5,1,8,1,6,5,6,3,8,8,9,5,2,6,6,6,5,4,9,0,8,4,3,9,7,3,8,6,6,2,1,5,8,6, %U A020815 8,1,4,0,6,4,4,3,6,2,0,9,0,4,2,4,8,6,6,7,1,9,2,1,3,5,7,1,5,8,0 %N A020815 Decimal expansion of 1/sqrt(58). %H A020815 Ivan Panchenko, <a href="/A020815/b020815.txt">Table of n, a(n) for n = 0..1000</a> %t A020815 RealDigits[N[1/Sqrt[58], 200]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 12 2011 *) %Y A020815 Cf. A020812, A020813, A020814. %K A020815 nonn,cons,easy %O A020815 0,2 %A A020815 _N. J. A. Sloane_