G.f.: 3F2([4/9, 5/9, 8/9], [2/3, 1], 729 x).
A275459
G.f.: 3F2([4/9, 5/9, 8/9], [2/3, 1], 729 x).
Terms
- a(0) =1a(1) =240a(2) =111384a(3) =61056996a(4) =36134640360
External references
- oeis: A275459
A275459
G.f.: 3F2([4/9, 5/9, 8/9], [2/3, 1], 729 x).