G.f. A(x) satisfies: A( 2*A(x)^2 + 4*A(x)^3 ) = 2*x^2 - 4*x^3.

A290958

G.f. A(x) satisfies: A( 2*A(x)^2 + 4*A(x)^3 ) = 2*x^2 - 4*x^3.

Terms

    a(0) =1a(1) =-2a(2) =6a(3) =-26a(4) =100a(5) =-460a(6) =2258a(7) =-11558a(8) =60786a(9) =-326826a(10) =1785930a(11) =-9893778a(12) =55447800a(13) =-313817720a(14) =1791442406a(15) =-10303155322a(16) =59642852324a(17) =-347233450156

External references