132908041domain: NAppears in sequencesNumber of permutations p of [n] such that p(i) > p(i+1) iff i == 0 (mod 7).at n=20A250284Coefficient 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=48A318253