G.f.（t^49+2*t^48+2*t^47+2*t^46+2*t^45+2*t^44+2*t^43+2*t^42+
2*t^41+2*t^40+2*t^39+2*t^38+2*t^37+2*t^36+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*t|7+2*t*6+2*t$5+2*t_4+2*t_3+2*t_2+2*t+
1） /（1128*t^49-47*t^48-47*t1^47-47*t ^46-47*t^45-47*t ^44-
47*t^43-47*t^42-47*t ^41-47*t ^40-47*t1^39-47*t*t^38-47*t-37-
47*t^36-47*t^35-47*t ^34-47*t-33-47*t1^32-47*t\31-47*t/30-
47*t^29-47*t^28-47*t ^27-47*t-26-47*t1^25-47*t\24-47*t/23-
47*t^22-47*t^21-47*t ^20-47*t ^19-47*t ^18-47*t ^17-47*t^16-
47*t^15-47*tqu14-47*t ^13-47*t1^12-47*t%11-47*t\10-47*tl^9-
47*t^8-47*t^7-47*t ^6-47*t^5-47*t ^4-47*t1^3-47*tl^2-47*t%+1）
