33066768domain: NAppears in sequencesExpansion of e.g.f.: A(x) = -(1 + LambertW(-log(1+x))/log(1+x))/x.at n=9A136461a(n) = (1/n) times the n-th derivative of the tenth tetration of x (power tower of order 10) x^^10 at x=1.at n=9A295110