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 A220812 #13 Feb 16 2025 08:33:18 %S A220812 10,100,10000,100000000,10000000000000000, %T A220812 100000000000000000000000000000000, %U A220812 10000000000000000000000000000000000000000000000000000000000000000 %N A220812 Denominators of the Verhulst sequence x(n+1)=4*x(n)-3*x(n)^2, x(0)=1/10. %D A220812 H. O. Peitgen and P. H. Richter, The Beauty of Fractals. Springer, 1986, p. 23f. %H A220812 Reinhard Zumkeller, <a href="/A220812/b220812.txt">Table of n, a(n) for n = 0..9</a> %H A220812 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LogisticEquation.html">Logistic Equation</a> %H A220812 Wikipedia, <a href="http://en.wikipedia.org/wiki/Logistic_map">Logistic map</a> %F A220812 a(n) = 10^(2^n) = A011557(A000079(n)). - _Reinhard Zumkeller_, Dec 22 2012 %o A220812 (Haskell) %o A220812 a220812 = a011557 . a000079 -- _Reinhard Zumkeller_, Dec 22 2012 %Y A220812 Cf. A051840, A220811 (numerators). %K A220812 nonn,frac,easy %O A220812 0,1 %A A220812 _Reinhard Zumkeller_, Dec 22 2012