-119532

Appears in sequences

• Expansion of (1 + x)^2 / ((1 - x)^2*(1 + 2*x + 2*x^2)^2).at n=33A322040
• Expansion of g.f. A(x) satisfying A( x*(1 + 2*x)*A(x) )^3 = A( x*(1 + 3*x)*A(x)^2 )^2.at n=11A370537