3830400

Appears in sequences

• Expansion of e.g.f. (1-x^2)/(1-x-2*x^2+x^4).at n=8A052685
• Triangular array read by rows: T(n,k) is the number of labeled tournaments on [n] that have exactly k irreducible (strongly connected) components, n >= 0, 0 <= k <= n.at n=39A354607
• Expansion of e.g.f. 1/(1 - x * exp(x^2))^2.at n=8A377533