G.f.: 3F2([1/9, 2/9, 8/9], [2/3,1], 729 x).

A275054

G.f.: 3F2([1/9, 2/9, 8/9], [2/3,1], 729 x).

Terms

    a(0) =1a(1) =24a(2) =6732a(3) =2771340a(4) =1342525275a(5) =711891288108

External references