-16520domain: ZAppears in sequencesExpansion of e.g.f. tan(log(x+1) - arctan(x)).at n=8A013248Expansion of e.g.f. arctanh(log(x+1) - arctan(x)).at n=8A013254tan(log(x+1)-tanh(x)) = -1/2!*x^2+4/3!*x^3-6/4!*x^4+8/5!*x^5... .at n=6A013284Expansion of e.g.f. arctanh(log(x+1) - tanh(x)).at n=8A013290