Number of (n+1) X (1+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column.
A250827
Number of (n+1) X (1+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column.
Terms
- a(0) =625a(1) =9025a(2) =119025a(3) =1301881a(4) =13249600a(5) =123432100a(6) =1093360356a(7) =9211008676a(8) =74936872516a(9) =590576880100
External references
- oeis: A250827