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 A020826 #10 Jul 08 2025 07:53:51 %S A020826 1,2,0,3,8,5,8,5,3,0,8,5,7,6,9,2,0,0,7,6,2,0,9,0,7,6,4,4,1,8,9,4,9,1, %T A020826 5,9,5,6,8,5,8,2,8,1,5,2,0,2,2,5,5,8,8,0,8,6,1,3,3,6,0,6,3,3,1,9,3,8, %U A020826 5,2,9,0,3,3,9,4,6,5,9,6,4,8,3,8,6,5,7,9,4,9,3,9,4,6,7,1,8,4,1 %N A020826 Decimal expansion of 1/sqrt(69). %H A020826 Ivan Panchenko, <a href="/A020826/b020826.txt">Table of n, a(n) for n = 0..1000</a> %K A020826 nonn,cons %O A020826 0,2 %A A020826 _N. J. A. Sloane_