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 A020774 #13 Jul 08 2025 07:49:58 %S A020774 2,4,2,5,3,5,6,2,5,0,3,6,3,3,2,9,7,3,5,1,8,9,0,6,4,6,2,1,1,6,1,2,2,1, %T A020774 7,7,9,4,9,8,3,5,2,4,8,5,5,1,3,8,9,4,3,7,3,1,7,5,6,6,6,8,0,7,7,0,2,9, %U A020774 1,4,3,2,1,3,7,5,0,7,1,5,2,5,6,3,9,9,1,9,7,9,4,5,9,4,5,2,0,1,7 %N A020774 Decimal expansion of 1/sqrt(17). %C A020774 1/sqrt(17) = 0.242535625036332973518906462116122177949835248551389437317566680770291432138... [_Vladimir Joseph Stephan Orlovsky_, May 30 2010] %H A020774 Ivan Panchenko, <a href="/A020774/b020774.txt">Table of n, a(n) for n = 0..1000</a> %t A020774 RealDigits[N[1/Sqrt[17],200]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *) %K A020774 nonn,cons %O A020774 0,1 %A A020774 _N. J. A. Sloane_