64450

Appears in sequences

• Expansion of A(x) = x*B'(x)*(B(x)-x)/B(x)^2 where B(x)/x is g.f. of A027307.at n=5A240599
• Expansion of (1/x) * Series_Reversion( x * (1 - x)^2 * (1 - x^2 / (1 - x)^3) ).at n=7A389629