271881

Appears in sequences

• Expansion of x^2*(1+x-x^2)/(1-2*x-4*x^2+x^3+x^4).at n=12A123947
• G.f.: A(x) = (A_1)^3 where A_1 = 1/[1 - x*(A_2)^3], A_2 = 1/[1 - x^2*(A_3)^3], A_3 = 1/[1 - x^3*(A_4)^3], ... A_n = 1/[1 - x^n*(A_{n+1})^3] for n>=1.at n=13A132335