Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
A250862
Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
Terms
- a(0) =4096000a(1) =128000000a(2) =4000000000a(3) =125000000000
External references
- oeis: A250862