571377

Appears in sequences

• Number of (2+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=24A250814
• Numbers which can be written in exactly five ways as a sum of two distinct nonzero pentagonal numbers.at n=21A333015