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G.f.（t^50+2*t^49+2*t ^48+2*t ^47+2*t^46+2*t^45+2*t ^44+2*t1^43+
2*t^42+2*t^41+2*t|40+2*t*39+2*t#38+2*t$37+2*t#16+2*t=35+
2*t^34+2*t^33+2*t|32+2*t*31+2*t$30+2*t=29+2*t#28+2*t~27+
2*t^26+2*t^25+2*t*24+2*t|23+2*t`22+2*t` 21+2*t'20+2*t''19+
2*t^18+2*t^17+2*t*16+2*t=15+2*t#14+2*t|13+2*t_12+2*t_11+
2*t^10+2*t^9+2*t ^8+2*t1^7+2*tl^6+2*tr^5+2*t^4+2*t ^3+2*t^2+
2*t+1）/（136*t^50-16*t^49-16*t1^48-16*t ^47-16*t^46-16*t ^45-
16*t^44-16*t^43-16*t^42-16*t^41-16*t^40-16*t^39-16*t^38-
16*t^37-16*t*36-16*t ^35-16*t^34-16*t ^33-16*-
16*t^30-16*t^29-16*t*28-16*t|27-16*t`26-16*t` 25-16*t'24-
16*t^23-16*t^22-16*t*21-16*t|20-16*t|19-16*t*18-16*t^17-
16*t^16-16*t^15-16*t*14-16*t|13-16*t*12-16*t`11-16*t` 10-
16*t^9-16*t*8-16*t ^7-16*t^6-16*t ^5-16*t1^4-16*-
16*t+1）。
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