243593041

Properties

Appears in sequences

• Number of labeled graded partially ordered sets with n elements of height at most 1.at n=9A001831
• Triangular array read by rows. T(n,k) is the number of idempotent binary relations on [n] having no proper power primitive (A360718) with exactly k irreflexive points.at n=26A370208
• Prime numbersat n=13347610