Number of nX6 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
A223997
Number of nX6 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
Terms
- a(0) =28a(1) =469a(2) =4614a(3) =36845a(4) =281271a(5) =2160036a(6) =16795265a(7) =131782267a(8) =1040869367a(9) =8260503068a(10) =65781844983a(11) =525128814213
External references
- oeis: A223997