614713

Appears in sequences

• Denominator of Product_{j=1..n-1} ((3*j+1)/(3*j+2)).at n=15A271920
• Denominator of n*Product_{j=1..n-1} ((3*j + 1)/(3*j + 2)).at n=15A271922
• Number of pairs of Dyck paths of semilength n such that the midpoint of the first is above the midpoint of the second.at n=8A355481