151958domain: NAppears in sequencesNumber of bipartite partitions of n white objects and n black ones.at n=11A002774Number of bipartite partitions of ceiling(n/2) white objects and floor(n/2) black ones.at n=22A091437Expansion of Product_{k>=1} (1 + x^k)^(k*(2*k-1)).at n=12A294836a(n) = 3*n^3 - 1.at n=37A345701