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 A020802 #13 Jul 08 2025 07:52:03 %S A020802 1,4,9,0,7,1,1,9,8,4,9,9,9,8,5,9,7,9,7,6,0,6,1,1,5,7,7,9,1,5,4,1,8,4, %T A020802 1,5,6,9,6,0,4,1,2,2,3,9,7,4,1,0,1,7,1,4,9,5,1,3,9,3,1,4,9,6,9,4,0,3, %U A020802 4,7,2,8,3,7,5,8,5,3,6,5,9,9,6,0,9,6,0,9,6,0,5,5,8,5,8,5,4,8,4 %N A020802 Decimal expansion of 1/sqrt(45). %C A020802 1/sqrt(45) = 0.149071198499985979760611577915418415696041223974101714951393149694034728376... [_Vladimir Joseph Stephan Orlovsky_, Jun 01 2010] %H A020802 Ivan Panchenko, <a href="/A020802/b020802.txt">Table of n, a(n) for n = 0..1000</a> %t A020802 RealDigits[N[1/Sqrt[45],200]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 01 2010 *) %K A020802 nonn,cons %O A020802 0,2 %A A020802 _N. J. A. Sloane_