Number of (n+1) X (n+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.
A250425
Number of (n+1) X (n+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.
Terms
- a(0) =16a(1) =108a(2) =1296a(3) =12000a(4) =160000a(5) =1715000a(6) =24010000a(7) =280052640a(8) =4032758016a(9) =49700008512a(10) =728933458176
External references
- oeis: A250425