301086

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=38A002513
• [ (4th elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {first n+3 primes}.at n=30A024456
• Number of non-isomorphic graphs on 4n vertices whose edges are the union of two n-edge matchings.at n=19A305168
• Number of non-isomorphic multiset partitions of weight n in which (1) all parts have the same size and (2) each vertex appears the same number of times.at n=30A319056