OFFSET
0,4
COMMENTS
The alternating row sums are given in A321205.
FORMULA
G.f: f(x)/(1 - x*f(x)) where f(x) = F^([-1])(x)/x with F^{[-1]}(y) the compositional inverse of F(x) = x/(1 - x^2 - x^3). The expansion of f is given in A319201.
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Wolfdieter Lang, Nov 09 2018
STATUS
approved