G.f.:A(X)=X-3*X^3+10*X^4-15*X^5+84*X^6-161*X^7-174*X^8+612*X^9+1596*X^10+1926*X^11-38592*X^12-5895*X^13+234684*X^14+603621*X^15+。。。
式中A(x*(1+2*x)*A(x))^3=A(x^2*(1+3*x)*A(x))^2。
相关系列。
B(x)=A(x*(1+2*x)*A(x))^(1/2)=A
B(x)=x+x ^2-2*x ^3+4*x ^4-5*x ^5+31*x ^6-45*x ^7-57*x ^8-66*x ^9+1124*x ^10+116*x ^11-8314*x ^12-21328*x ^13+76424*x ^14+229013*x ^15+。。。
B(x)^2=A(x*(1+2*x)*A(x))=x^2+2*x^3-3*x^4+4*x^5+2*x^6+36*x^7+8*x^8-368*x^9+207*x^10+1674*x^11+3699*x^12-23640*x^13-51605*x^14+134174*x^15+。。。
B(x)^3=A(x^2*(1+3*x)*A(x))=x^3+3*x^4-3*x^5+x^6+15*x^7+39*x^8+88*x^9-684*x^10+36*x^11+3514*x^12+6807*x^13-33825*x^14-124742*x^15+217842*x*x^16+。。。
B(x)^6=A(x*(1+2*x)*A(x))^3=x^6+6*x^7+3*x^8-16*x^9+45*x^10+162*x^11+321*x^12-1044*x^13-4257*x^14+12694*x^15+37275*x^16-61476*x^17-530776*x^18+。。。