Number of n X 6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.
A278552
Number of n X 6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.
Terms
- a(0) =2128a(1) =4880813a(2) =9647190761
External references
- oeis: A278552