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 A020779 #19 Jul 08 2025 07:50:27 %S A020779 2,1,3,2,0,0,7,1,6,3,5,5,6,1,0,4,3,4,2,9,8,4,3,7,7,3,2,4,3,3,8,3,9,3, %T A020779 7,6,3,9,0,3,7,4,0,1,6,0,6,4,1,6,9,8,7,0,6,1,8,4,4,0,9,9,5,0,4,6,2,2, %U A020779 8,3,9,2,3,9,7,8,7,4,5,3,2,7,9,4,6,4,1,6,1,8,0,0,2,7,9,7,4,1,5 %N A020779 Decimal expansion of 1/sqrt(22). %H A020779 Ivan Panchenko, <a href="/A020779/b020779.txt">Table of n, a(n) for n = 0..1000</a> %e A020779 0.21320071635561043429843773243383937... %t A020779 RealDigits[N[1/Sqrt[22],200]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *) %Y A020779 Cf. A010478 (reciprocal). %K A020779 nonn,cons,easy %O A020779 0,1 %A A020779 _N. J. A. Sloane_