Number of 4X4 0..n arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.
A229776
Number of 4X4 0..n arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.
Terms
- a(0) =70a(1) =12958a(2) =1058494a(3) =35452250a(4) =637396928a(5) =7379634620a(6) =61734072288a(7) =402537583863
External references
- oeis: A229776