78339

Appears in sequences

• Triangle T(n,k) read by rows: T(n,k) is the number of length-n ascent sequences with exactly k descents.at n=57A238858
• Number of ascent sequences of length n with exactly two descents.at n=5A241872
• Number of (4+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=15A250759