851809140

Appears in sequences

• a(n) = (n+1)*binomial(n+1,12).at n=16A027772
• a(n) = (n+1)*binomial(n+1,16).at n=12A027776
• Number of nonintersecting (or self-avoiding) rook paths of length 2n+2 joining opposite corners of an n X n grid.at n=12A257888