108778

Appears in sequences

• Number of polyiamonds with n cells that tile the plane isohedrally.at n=17A075223
• Number of steps between two valleys at height 0 in the infinite Dyck path in which the k-th ascending line segment has A141285(k) steps and the k-th descending line segment has A194446(k) steps, k >= 1.at n=37A233968