36012826776domain: NAppears in sequencesNumber of matchings in graph P_{5} X P_{n}.at n=8A033508Number of matchings in graph P_{8} X P_{n}.at n=5A033511Triangle read by rows: T(n,k) (1 <= k <= n) = number of monomer-dimer tilings of an n X k board.at n=32A210662