Number of nX4 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
A278381
Number of nX4 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
Terms
- a(0) =0a(1) =40a(2) =1220a(3) =23640a(4) =368421a(5) =4703562a(6) =50473056a(7) =474255829a(8) =4047341159a(9) =32112086692a(10) =239321493757
External references
- oeis: A278381