Number of 1Xn 0..n arrays with every repeated value in every row and column greater than the previous repeated value.
A268205
Number of 1Xn 0..n arrays with every repeated value in every row and column greater than the previous repeated value.
Terms
- a(0) =2a(1) =9a(2) =60a(3) =570a(4) =6960a(5) =104006a(6) =1837752a(7) =37478718a(8) =866361210a(9) =22384298772a(10) =639235846656
External references
- oeis: A268205