OFFSET
0,6
MATHEMATICA
nmax = 55; CoefficientList[Series[1/(1 + x^2 + ContinuedFractionK[x^Prime[2 k], 1 + x^Prime[2 k + 1], {k, 1, nmax}]), {x, 0, nmax}], x]
CROSSREFS
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Sep 23 2017
STATUS
approved