106644

Appears in sequences

• [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 2 mod 3}.at n=25A024402
• Catafusenes (see reference for precise definition).at n=9A045829
• Triangular array related to Motzkin triangle A026300.at n=51A084536
• Triangle read by rows: T(n,k) = number of lattice paths from (0,0) to (n,k) that do not go below the line y=0 and consist of steps U=(1,1), D=(1,-1) and three types of steps H=(1,0) (left factors of 3-Motzkin steps).at n=48A091965
• Number of collections of nonempty multisets with a total of n objects having color set {1,...,k} for some k<=n.at n=8A255906