Number of (n+1) X (6+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.
A251972
Number of (n+1) X (6+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.
Terms
- a(0) =490000a(1) =60025000a(2) =7353062500a(3) =345888060000
External references
- oeis: A251972