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 A086180 #36 Feb 16 2025 08:32:50 %S A086180 3,4,4,9,4,8,9,7,4,2,7,8,3,1,7,8,0,9,8,1,9,7,2,8,4,0,7,4,7,0,5,8,9,1, %T A086180 3,9,1,9,6,5,9,4,7,4,8,0,6,5,6,6,7,0,1,2,8,4,3,2,6,9,2,5,6,7,2,5,0,9, %U A086180 6,0,3,7,7,4,5,7,3,1,5,0,2,6,5,3,9,8,5,9,4,3,3,1,0,4,6,4,0,2,3,4,8,1 %N A086180 Decimal expansion of 1 + sqrt(6). %C A086180 Onset of 4-cycle in the logistic equation. %D A086180 Gian Italo Bischi, Rosa Carini, Laura Gardini, and Paolo Tenti, Sulle orme del caos: comportamenti complessi in modelli matematici semplici. Bruno Mondadori (Milano), 2004. See pp. 83, 92, 95. (In Italian) %D A086180 Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 1.9, p. 66. %H A086180 Andy Burbanks, <a href="https://web.archive.org/web/20110408222348/http://info.lboro.ac.uk/departments/ma/gallery/doubling/">Period Doubling: Iteration of the Logistic Map</a>. %H A086180 Kurt Cogswell, <a href="https://web.archive.org/web/20090220180623/http://learn.sdstate.edu/cogswelk/homepage/WebDiagram/WebDiagram.html">WebDiagram Applet</a>. %H A086180 Michael Cross, <a href="https://web.archive.org/web/20210425174920/http://www.cmp.caltech.edu/~mcc/chaos_new/Scalemap.html">The Period Doubling Route To Chaos</a>. %H A086180 Blair Fraser, <a href="https://web.archive.org/web/20071102081205/http://www.apmaths.uwo.ca/~bfraser/nll/version1/iterated.html">Iterated Maps</a>. %H A086180 Alan Hood, <a href="https://web.archive.org/web/20220815130433/http://www-solar.mcs.st-and.ac.uk/~alan/MT2003/Numerical/node13.html">Logistic Equation</a>. %H A086180 Pete Kernan, <a href="https://web.archive.org/web/20070730171725/http://theory2.phys.cwru.edu/~pete/java_chaos/CyclesApplet.html">Logistic Map(Cobweb Construction)</a>. %H A086180 Pete Kernan, <a href="https://web.archive.org/web/20070730171852/http://theory2.phys.cwru.edu/~pete/java_chaos/LogisticApplet.html">Logistic Map(Time Series)</a>. %H A086180 Oliver Knill, <a href="http://www.mathematik.com/Bifurcation/bifurcation.html">Attractor of quadratic map</a>. %H A086180 Daniel Marthaler, <a href="https://web.archive.org/web/20190315010552/https://math.la.asu.edu/~chaos/logistic.html">Logistic Map</a>. %H A086180 John McDonald, <a href="http://www.enm.bris.ac.uk/staff/hinke/courses/Chaos/applets/iteration/Iteration.html">Iteration versus time for the Logistic map</a>. %H A086180 Frank Wattenberg, <a href="https://web.archive.org/web/20100721050159/https://math.montana.edu/frankw/ccp/modeling/discrete/logistic/appwindow.htm">An Applet in a Window--Cobweb Diagrams</a>. %H A086180 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LogisticMap.html">Logistic Map</a>. %H A086180 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>. %F A086180 Equals A010464 plus 1. - _R. J. Mathar_, Sep 12 2008 %e A086180 3.4494897427831780981972840747058913919659474806567... %t A086180 RealDigits[1+Sqrt[6],10,120][[1]] (* _Harvey P. Dale_, Jul 28 2012 *) %o A086180 (PARI) 1+sqrt(6) \\ _Stefano Spezia_, Nov 17 2024 %Y A086180 Cf. A010464, A086178. %K A086180 nonn,cons,easy %O A086180 1,1 %A A086180 _Eric W. Weisstein_, Jul 11 2003