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 A020772 #15 Jul 08 2025 07:49:47 %S A020772 2,5,8,1,9,8,8,8,9,7,4,7,1,6,1,1,2,5,6,7,8,6,1,7,6,9,3,3,1,8,8,2,6,6, %T A020772 4,0,7,2,2,1,9,4,7,8,0,3,5,2,7,7,2,7,2,1,7,7,2,5,0,4,9,1,7,7,4,0,8,9, %U A020772 8,8,7,2,7,9,5,7,9,8,6,0,2,2,3,4,6,1,9,1,5,8,4,5,7,2,4,4,9,0,1 %N A020772 Decimal expansion of 1/sqrt(15). %C A020772 1/sqrt(15) = 0.258198889747161125678617693318826640722194780352772721772504917740898872796... [_Vladimir Joseph Stephan Orlovsky_, May 30 2010] %H A020772 Ivan Panchenko, <a href="/A020772/b020772.txt">Table of n, a(n) for n = 0..1000</a> %F A020772 Equals 1/A010472 = A020760 * A020762. - _R. J. Mathar_, Nov 19 2024 %t A020772 RealDigits[N[1/Sqrt[15],200]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *) %K A020772 nonn,cons %O A020772 0,1 %A A020772 _N. J. A. Sloane_