1174800

Appears in sequences

• a(n) = 24*n*p(n) = 24*n*A000041(n).at n=24A183009
• G.f.: x^2 * f''(x), where f(x) = Product_{k>=1} 1 / (1 - x^k).at n=25A278406
• Triangular array read by rows. T(n,k) is the number of binary relations R on [n] such that the unique idempotent relation in {R^i:i>=1} is a quasi-order containing exactly k strongly connected components.at n=13A370385