78972domain: NAppears in sequencesSquare array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384622.at n=50A384623Expansion of 1 / ((1-x)^3 - x^2)^2.at n=10A392581