200880160

Appears in sequences

• a(n) = (n+1)*binomial(n+1,11).at n=15A027771
• a(n) = (n+1)*binomial(n+1, 15).at n=11A027775
• Number of nonintersecting (or self-avoiding) rook paths of length 2n+2 joining opposite corners of an n X n grid.at n=11A257888