191611

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=36A002513
• Number of points of norm <= n in the bi-truncated cubic honeycomb (3-dimensional lattice, with truncated-octahedral cells).at n=36A276450
• Number of non-isomorphic graphs on 4n vertices whose edges are the union of two n-edge matchings.at n=18A305168