OFFSET
0,6
COMMENTS
FORMULA
a(n) = [t^n] (1/f(t)), where f(t) = F^{[-1]}(t)/t, with the compositional inverse F^{[-1]}(t) of F(x) = 1/(1 - x^2 - x^3). The expansion of f is given in A319201.
CROSSREFS
KEYWORD
sign
AUTHOR
Wolfdieter Lang, Oct 29 2018
STATUS
approved