G.f. A(x) satisfies: A(x)^-3 + A(-x)^-3 = 2 and A(x)^3 - A(-x)^3 = 18*x.

A196865

G.f. A(x) satisfies: A(x)^-3 + A(-x)^-3 = 2 and A(x)^3 - A(-x)^3 = 18*x.

Terms

    a(0) =1a(1) =3a(2) =18a(3) =-117a(4) =-1971a(5) =16119a(6) =343278a(7) =-3036528a(8) =-71818164a(9) =661017348a(10) =16593480504a(11) =-156436510221

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