Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
A278723
Number of nX4 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
Terms
- a(0) =35a(1) =1050a(2) =33466a(3) =1058494a(4) =30942600a(5) =815294800a(6) =19328645044a(7) =414671691083
External references
- oeis: A278723