861597domain: NAppears in sequencesA convolution triangle of numbers obtained from A034171.at n=29A035529Triangle read by rows in which row n gives coefficients of polynomial R_n(y) that satisfies R_n(1/3) = 3^n, where R_n(y) forms the initial (n+1) terms of g.f. A057083(y)^(n+1).at n=42A097186