Expansion of e.g.f. 1/(1 - (x * (exp(x) - 1))^4 / 576).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =70a(9) =1260a(10) =13650a(11) =115500a(12) =841995a(13) =5555550a(14) =34139105a(15) =198948750a(16) =1175994820a(17) =10315705400a(18) =192609389700