Continued fractions for some transcendental numbers

We consider series of the form $\frac{p}{q} +\sum_{j=2}^\infty \frac{1}{x_j},$ where $x_1=q$ and the integer sequence $(x_n)$ satisfies a certain non-autonomous recurrence of second order, which entails that $x_n|x_{n+1}$ for $n\geq 1$. It is shown that the terms of the sequence, and multiples of the ratios of successive terms, appear interlaced in the continued fraction expansion of the sum of the series, which is a transcendental number.

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