3900225

Appears in sequences

• Expansion of (1+x^3*C^4)*C^2, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=13A071739
• a(n) = LCM of the integers, from n/2 to n, which are coprime to n.at n=25A124444