Number of nX6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
A278434
Number of nX6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly one mistake.
Terms
- a(0) =1128a(1) =1287838a(2) =1796061464
External references
- oeis: A278434