Expansion of ( (1 + x)*(1 - 2*x)*(1 + 4*x) )^(1/3).

Terms

a(0) =1a(1) =1a(2) =-3a(3) =3a(4) =-12a(5) =30a(6) =-102a(7) =318a(8) =-1083a(9) =3657a(10) =-12747a(11) =44715a(12) =-159222a(13) =571332a(14) =-2068608a(15) =7538664a(16) =-27646374a(17) =101915850a(18) =-377496030a(19) =1404077790a(20) =-5242135728a(21) =19637862132a(22) =-73793090676a(23) =278068062756