Number of Young tableaux with n 4-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

A208624

Number of Young tableaux with n 4-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

Terms

    a(0) =1a(1) =1a(2) =15a(3) =491a(4) =25187a(5) =1725819a(6) =144558247a(7) =14029729645

External references