Number of n X n 0..3 arrays with rows, antidiagonals and columns unimodal.
A223755
Number of n X n 0..3 arrays with rows, antidiagonals and columns unimodal.
Terms
- a(0) =4a(1) =256a(2) =61733a(3) =26631193a(4) =15947472102
External references
- oeis: A223755