43587domain: NAppears in sequencesa(n) = (1/24)*(n+1)*(n+3)*(n^2+22*n+88).at n=27A090950Square 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 A384574.at n=62A384582