204796

Appears in sequences

• Number of 0..3 arrays x(0..n-1) of n elements with zero n-1st difference.at n=15A200149
• Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=13A250777