Number of nX6 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.
A223740
Number of nX6 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.
Terms
- a(0) =148a(1) =21904a(2) =1082738a(3) =24527068a(4) =340038574a(5) =3437215802a(6) =28017383049a(7) =195114520747
External references
- oeis: A223740