713769

Appears in sequences

• Number of (n+1)X(3+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.at n=4A251095
• Number of (n+1)X(5+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.at n=2A251097
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.at n=23A251100
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.at n=25A251100
• a(n) = Sum_{k=0..n} binomial(k+6,6) * binomial(2*k,2*n-2*k).at n=8A382473