211351945

Appears in sequences

• Number of matchings in graph P_{4} X P_{n}.at n=8A033507
• Number of matchings in graph P_{8} X P_{n}.at n=4A033511
• Triangle read by rows: T(n,k) (1 <= k <= n) = number of monomer-dimer tilings of an n X k board.at n=31A210662
• Number of configurations of the general monomer-dimer model for a 4 X 2n square lattice.at n=4A260034
• Number of configurations of the general monomer-dimer model for an 8 X 2n square lattice.at n=2A260036