12988816

Appears in sequences

• Number of domino tilings (or dimer coverings) of a 2n X 2n square.at n=4A004003
• Number of perfect matchings in graph P_{8} X P_{n}.at n=8A028470
• Number of dimer coverings on n X n square if n is even; number of dimer arrangements with exactly one monomer if n is odd.at n=8A137308
• Triangle T(m,n) read by rows: number of domino tilings of the m X n grid (0 <= m <= n).at n=44A187616
• Array T(m,n) read by antidiagonals: number of domino tilings of the 2m X 2n grid (m>=0, n>=0).at n=40A187617
• Triangle T(m,n) read by rows: number of domino tilings of the 2m X 2n grid (0 <= m <= n).at n=14A187618
• Number of domino tilings of the n X n grid with upper left corner removed iff n is odd.at n=8A189002
• Triangle read by rows: T(m, n) is the number of symmetric recurrent sandpiles on an m X n grid (m >= 0, 0 <= n <= m).at n=44A348566