-889384176

Appears in sequences

• T(n, m) = (n+m+1)!*m!/(n+1)! + (2*n-m+1)!*(n-m)!/(n+1)! - (2*n+1)!/(n+1).at n=23A174923
• T(n, m) = (n+m+1)!*m!/(n+1)! + (2*n-m+1)!*(n-m)!/(n+1)! - (2*n+1)!/(n+1).at n=25A174923