G.f. A(x) satisfies: A(x) = 1 / ((1 + x) * (1 - x * A(2*x))).

A348860

G.f. A(x) satisfies: A(x) = 1 / ((1 + x) * (1 - x * A(2*x))).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =4a(4) =37a(5) =632a(6) =20905a(7) =1359692a(8) =175426573a(9) =45086173824

External references