195777domain: NAppears in sequencesNumber of sets of lists (cf. A000262) whose list sizes are not a multiple of 3.at n=8A113775Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of e.g.f. Product_{j > 0, j mod k > 0} exp(x^j).at n=63A293525