Expansion of (1+18*x)^(1/3).

Terms

a(0) =1a(1) =6a(2) =-36a(3) =360a(4) =-4320a(5) =57024a(6) =-798336a(7) =11632896a(8) =-174493440a(9) =2675566080a(10) =-41738830848a(11) =660232415232