Expansion of e.g.f. exp(x^3/(1-x)^4).

Terms

a(0) =1a(1) =0a(2) =0a(3) =6a(4) =96a(5) =1200a(6) =14760a(7) =196560a(8) =2983680a(9) =52315200a(10) =1041465600a(11) =22912243200a(12) =545443113600