E.g.f. D(x) = A(x)*B(x)*C(x) where A(x), B(x), and C(x) are the e.g.f.s of A292121, A292122, and A292123, respectively.

A292124

E.g.f. D(x) = A(x)*B(x)*C(x) where A(x), B(x), and C(x) are the e.g.f.s of A292121, A292122, and A292123, respectively.

Terms

    a(0) =6a(1) =49a(2) =336a(3) =3608a(4) =39984a(5) =568456a(6) =8788224a(7) =157119872a(8) =3070910976a(9) =66631838464

External references