163191domain: NAppears in sequencesCoefficients of a special case of Poisson-Charlier polynomials.at n=50A046716Triangle read by rows: T(n,k) are the coefficients of Charlier polynomials: A046716 transposed, for 0 <= k <= n.at n=49A094816Expansion of e.g.f. log(1-x)^4 * exp(x) / 24.at n=9A381023