Number of Young tableaux with n n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

A208631

Number of Young tableaux with n n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =53a(4) =25187a(5) =705002611

External references