-3905domain: ZAppears in sequencesSquare array T(n,k), n >= 1, k >= 1, read by antidiagonals, where column k is the expansion of e.g.f. -log(1 - f^(k-1)(x)), where f(x) = log(1+x).at n=41A351420Expansion of e.g.f. -log(1 - log(1 + log(1 + log(1+x)))).at n=5A351422