Number of (n+2) X (1+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
A250861
Number of (n+2) X (1+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column.
Terms
- a(0) =262144a(1) =4096000a(2) =64000000a(3) =1000000000a(4) =8000000000a(5) =64000000000a(6) =512000000000
External references
- oeis: A250861