Number of nX3 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
A278729
Number of nX3 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.
Terms
- a(0) =40a(1) =1947a(2) =58904a(3) =1410818a(4) =28637916a(5) =506031118a(6) =7907770636a(7) =110655824716
External references
- oeis: A278729