411861

Appears in sequences

• One third of product plus sum of six consecutive nonnegative numbers.at n=8A166943
• Number of Hamiltonian circuits in a 2n X 2n square lattice of nodes, reduced for symmetry, where the orbits under the symmetry group of the square, D4, have 4 elements.at n=4A227257
• Expansion of Product_{k>=1} (1 + x^k)^((k-1)!).at n=10A321522