Number of nX6 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
A278805
Number of nX6 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
Terms
- a(0) =28a(1) =672a(2) =20972a(3) =870473a(4) =41299256a(5) =1976588468a(6) =89730161098
External references
- oeis: A278805