Number of (n+2)X(3+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
A250863
Number of (n+2)X(3+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
Terms
- a(0) =64000000a(1) =4000000000a(2) =250000000000
External references
- oeis: A250863