L.g.f.: A(x) = log(G(x)) where G(x) = g.f. of A060690(n) = C(2^n+n-1,n).

A140051

L.g.f.: A(x) = log(G(x)) where G(x) = g.f. of A060690(n) = C(2^n+n-1,n).

Terms

    a(0) =2a(1) =16a(2) =308a(3) =14488a(4) =1843232a(5) =714580528a(6) =917085102992

External references