Number of nX5 0..3 arrays with rows nondecreasing and antidiagonals unimodal.
A224021
Number of nX5 0..3 arrays with rows nondecreasing and antidiagonals unimodal.
Terms
- a(0) =56a(1) =3136a(2) =122523a(3) =4002738a(4) =120352359a(5) =3491241557a(6) =99853876444
External references
- oeis: A224021