122984

Appears in sequences

• Array read by antidiagonals: T(n,m) is the number of matchings in the rook graph K_n X K_m.at n=23A270227
• Array read by antidiagonals: T(n,m) is the number of matchings in the rook graph K_n X K_m.at n=25A270227
• Number of n X 2 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.at n=9A283036
• Number of matchings in the 3 X n rook graph.at n=5A341502