9647190761

Appears in sequences

• Number of nX3 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.at n=5A278549
• Number of n X 6 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.at n=2A278552
• T(n,k)=Number of nXk 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.at n=30A278553