Number of (n+1)X(4+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column.

A250830

Number of (n+1)X(4+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column.

Terms

    a(0) =1301881a(1) =516786049a(2) =170110220357

External references