Expansion of e.g.f. (3 - 2 * exp(x))^(3/2).

Terms

a(0) =1a(1) =-3a(2) =0a(3) =9a(4) =45a(5) =252a(6) =1935a(7) =19989a(8) =260190a(9) =4063887a(10) =73823445a(11) =1527002694a(12) =35408499885a(13) =909389617497