Number of (n+1)X(4+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.
A251970
Number of (n+1)X(4+1) 0..3 arrays with nondecreasing sum of every two consecutive values in every row and column.
Terms
- a(0) =40000a(1) =1750000a(2) =76562500a(3) =1500625000a(4) =29412250000a(5) =345888060000
External references
- oeis: A251970