-14873104domain: ZAppears in sequencesCoefficients of the Omega polynomials of order 4, triangle T(n,k) read by rows with 0<=k<=n.at n=11A318148Coefficient of x of the OmegaPolynomials (A318146), T(n, k) = [x] P(n, k) with n>=1 and k>=0, square array read by ascending antidiagonals.at n=32A318253