Number of nX4 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
A278851
Number of nX4 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
Terms
- a(0) =0a(1) =25a(2) =1348a(3) =30772a(4) =449677a(5) =4950399a(6) =44571591a(7) =344302564a(8) =2353207764a(9) =14536481606a(10) =82424606803a(11) =434031398793
External references
- oeis: A278851