22992655

Appears in sequences

• G.f. satisfies: A(x) = 1 + x/A(-x)^2.at n=17A213252
• G.f. satisfies: A(x) = 1/(1 - x*A(-x)^2).at n=16A243863
• Expansion of (1/x) * Series_Reversion( x / ( (1+x)^3 * (1+2*x)^2 ) ).at n=7A379521