Number of (n+1)X(3+1) 0..3 arrays with nondecreasing maximum of every two consecutive values in every row and column.
A251116
Number of (n+1)X(3+1) 0..3 arrays with nondecreasing maximum of every two consecutive values in every row and column.
Terms
- a(0) =22500a(1) =1494029a(2) =86208566a(3) =3816838692a(4) =152303295344
External references
- oeis: A251116