Number of nX5 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A223996
Number of nX5 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =21a(1) =281a(2) =2403a(3) =17929a(4) =132119a(5) =984595a(6) =7400832a(7) =55978489a(8) =425257387a(9) =3240026429a(10) =24732295031a(11) =189012200658
External references
- oeis: A223996