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A220812 Denominators of the Verhulst sequence x(n+1)=4*x(n)-3*x(n)^2, x(0)=1/10; see A220811 for numerators. 5
10, 100, 10000, 100000000, 10000000000000000, 100000000000000000000000000000000, 10000000000000000000000000000000000000000000000000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

Peitgen, H.-O. and Richter, P. H., The Beauty of Fractals. Springer, 1986, p. 23f.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..9

Eric Weisstein's World of Mathematics,Logistic Equation

Wikipedia, Logistic map

FORMULA

a(n) = 10^(2^n)) = A011557(A000079(n)). - Reinhard Zumkeller, Dec 22 2012

PROG

(Haskell)

a220812 = a011557 . a000079  -- Reinhard Zumkeller, Dec 22 2012

CROSSREFS

Cf. A051840.

Sequence in context: A173482 A173481 A135651 * A139103 A067217 A266175

Adjacent sequences:  A220809 A220810 A220811 * A220813 A220814 A220815

KEYWORD

nonn,frac

AUTHOR

Reinhard Zumkeller, Dec 22 2012

STATUS

approved

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Last modified January 23 16:46 EST 2020. Contains 331172 sequences. (Running on oeis4.)