Number of nX7 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
A278675
Number of nX7 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
Terms
- a(0) =56a(1) =1050a(2) =12727a(3) =134265a(4) =1378241a(5) =14437336a(6) =157706284a(7) =1809189550a(8) =21622163723a(9) =263667893290
External references
- oeis: A278675