Expansion of x^4*(2-6*x+5*x^2+2*x^3-4*x^4)/((1-x)^2*(1-2*x)^5).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =18a(6) =99a(7) =432a(8) =1641a(9) =5674a(10) =18315a(11) =56076a(12) =164621a(13) =466958a(14) =1287183a(15) =3463184a(16) =9125905a(17) =23617554a(18) =60162067a(19) =151126036a(20) =374931477a(21) =919863318a(22) =2234253335a(23) =5377622040a(24) =12836667417a(25) =30410801178a(26) =71546437659a(27) =167252066332a(28) =388677763101a(29) =898319253534