69834

Appears in sequences

• Number of nX3 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.at n=6A278802
• Number of n X 7 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.at n=2A278806
• T(n,k)=Number of nXk 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.at n=38A278807
• T(n,k)=Number of nXk 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.at n=42A278807
• Triangle read by rows: T(n,k) is the number of 4-ary strings of length n with k indispensable digits, with 0 <= k <= n.at n=49A330509