外径:A(x)=1+2*x^2+15*x^3+232*x^4+5335*x*^5+175416*x^6+7847665*x ^7+460083056*x ^8+34295632587*x^9+3171572232860*x^10+。。。
定义说明。
系数表x^k/k!在exp(n*x*A(x))*(n-A(x))中开始:
n=0:[-1,0,-4,-90,-5568,-640200,-126299520,…];
n=1:[0,0,-4,-102,-5952,-669460,-130272180,…];
n=2:[1,2,0,-82,-5456,-636888,-126025856,…];
n=3:[2,6,14,0,-3678,-527934,-112372002,…];
n=4:[3,12,44,198,0,-323848,-87935232,…];
n=5:[4,20,96,590,6532,0,-51109520,…];
n=6:[5,30,176,1278,17328,476520,0,…];
n=7:[6,42,290,2388,34374,1150022,67654674,0,…];
其中,主对角线在初始项后全部为零,说明了当n>=0时exp(n*x*A(x))*(n-A(x))的性质。
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