Number of n X n 0..2 arrays with rows and antidiagonals unimodal.
A223969
Number of n X n 0..2 arrays with rows and antidiagonals unimodal.
Terms
- a(0) =3a(1) =81a(2) =9515a(3) =2558848a(4) =1140963027a(5) =715985189481
External references
- oeis: A223969