Finch, S. R. "Errata and Addenda to Mathematical Constants." 27 May 2024. https://arxiv.org/abs/2001.00578.Janvresse,
E.; Rittaud, B.; and de la Rue, T. "Growth Rate for the Expected Value of a
Generalized Random Fibonacci Sequence." J. Phys. A: Math. Theor.42,
085005, 2009. https://doi.org/10.1088/1751-8113/42/8/085005.Rittaud,
B. "On the Average Growth of Random Fibonacci Sequences." J. Integer
Seq.10, Article 07.2.4, 2007. https://cs.uwaterloo.ca/journals/JIS/VOL10/Rittaud2/rittaud11.html.Rittaud,
B.; Janvresse, E.; Lesigne, E. and Novelli, J.-C. Quand les maths se font discrètes.
Le Pommier, p. 119, 2008.Sloane, N. J. A. Sequence A137421 in "The On-Line Encyclopedia of Integer
Sequences."
, where 
is the expectation
value of the absolute value of the 
th term of a random
Fibonacci sequence starting from fixed real numbers 
and 
that are not both zero. This ratio tends to the constant 
given by
denotes the first (and in this case only real) root
of the polynomial 
.
