468342

Appears in sequences

• Number of "cubic partitions" of n: expansion of Product_{k>0} 1/((1-x^(2k))^2*(1-x^(2k-1))) in powers of x.at n=40A002513
• Number of self-avoiding walks of n steps on a Manhattan square lattice.at n=22A117633
• Number of non-isomorphic graphs on 4n vertices whose edges are the union of two n-edge matchings.at n=20A305168