34818

Appears in sequences

• From a differential equation.at n=15A000997
• Number of bicolored trees on n unlabeled nodes such that black nodes are not adjacent to each other.at n=11A339830
• For 1<=x<=n, 1<=y<=n with gcd(x,y)=1, write 1 = gcd(x,y) = u*x+v*y with u,v minimal; a(n) = m^2*s, where s is the population variance of the values of |u| and m is the number of such values.at n=13A345694
• Expansion of 1/(1 - x*(1 + 4*x)^(3/2))^3.at n=7A382650