-5290184domain: ZAppears in sequencesSquare array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1-j*x^j)^(j^(k*j)) in powers of x.at n=43A294605Expansion of Product_{k>=1} (1 - k*x^k)^(k^k).at n=7A294606