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 A076391 #10 Jun 03 2025 04:17:54 %S A076391 0,1,1,2,42,1,1,1,1,1,1,6,1,4,3,1,1,32,1,1,16,18,2,1,10,1,3,2,2,1,2,1, %T A076391 1,4,3,8,2,1,2,1,12,6,1,6,4,1,11,2,2,12,1,1,2,1,1,5,1,4,1,16,1,1,5,1, %U A076391 2,5,4,1,4,1,1,1,1,2,3,1,17,1,1,4,4,3,2,1,2,5,8,1,9,15,1,2,2,1,2,61,1,3 %N A076391 Continued fraction for agm(1,i)/(1+i) (A076390). %H A076391 Vaclav Kotesovec, <a href="/A076391/b076391.txt">Table of n, a(n) for n = 1..100000</a> %H A076391 Wolfram Research, <a href="http://functions.wolfram.com/EllipticFunctions/ArithmeticGeometricMean/">Arithmetic-Geometric Mean</a> %H A076391 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Arithmetic-GeometricMean.html">Arithmetic-Geometric Mean</a> %t A076391 ContinuedFraction[ Chop[ N[ ArithmeticGeometricMean[1, I]/(1 + I), 150]]] %Y A076391 Cf. A076390 & A076392. %K A076391 cofr,nonn %O A076391 1,4 %A A076391 _Robert G. Wilson v_, Oct 09 2002