679243domain: NAppears in sequencesCoefficients of power series generated by the continued fraction-like form: A(x) = 1/(1 - x/sqrt(1 - 4x/cube-root(1 - 9x/4th-root(1 - 16x/5th-root(1 - 25x/... /n-th-root(1 - (n^2)x/...)))))), where n-th-root(z)=z^(1/n).at n=7A075820