3062815568

Appears in sequences

• Number of n X n 0..3 arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.at n=4A229771
• T(n,k)=Number of n X n 0..k arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.at n=25A229774
• Number of 5X5 0..n arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.at n=2A229777
• Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.at n=4A278724