310571

Properties

Appears in sequences

• Number of possible column states for self-avoiding polygons in a slit of width n.at n=13A140662
• Lower Beatty array of sqrt(2).at n=54A182639
• Triangle read by rows: T(n,k) is the total number of humps with height k in all Motzkin paths of order n, n >= 2 and 1 <= k <= n/2.at n=49A379838
• Prime numbersat n=26846