1189104domain: NAppears in sequencesa(n) = ((n^3 - 4n + 1)*A000166(n) + (-1)^(n+1)*(n-1)^2) / 6.at n=8A105928Triangle read by rows: T(n, k) = Sum_{t=k..n-3} (-1)^(t-k)*(n-t)!*binomial(t,k)*binomial(n-3,t).at n=39A264028Triangle read by rows: Column k has e.g.f. t^k / ((1 - t)^(k + 1) * exp(t)).at n=39A372723