393407domain: NAppears in sequencesNumber of conjugacy classes in Weyl group of type D_n.at n=29A234254G.f.: (Product_{j>=1} 1/(1-q^j)^2 + Product_{j>=1} 1/(1-q^(2*j)))/2.at n=31A281357Number of partitions of n with parts colored by {0, 1} such that the sum of colors is congruent to 1 (mod 2).at n=31A392002