Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
A278731
Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
Terms
- a(0) =456a(1) =121520a(2) =28637916a(3) =6410559865
External references
- oeis: A278731