G[nMax_]:=点[RecurrenceTable[{Dot[{(3*n-5)^2(3*n-4)^2,-18(n-4)(40-197*n+351*n^2-279*n^3+81*n^4),81(n-1)*n^3*(9*n-13)},a[n-#]&/@Reverse[Range[0,2]]==0,a[0]==0,a[1]==5/9},a,{n,0,nMax}],x^范围[0,nMax]];
qSer[nMax_]:=展开[Times[x,Normal[Series[Exp[Divide[G[nMax],Hypergeometric2F1[1/3,2/3,1,x]]],{x,0,nMax}]];
系数列表[(1/k)*qSer[20]/。{x->k*x},x]/。{k->27}