651
0
21
1191
0
21
1085
0
21
625
1
20
874
0
20
2773
0
20
1165
0
20
1276
0
20
1026
1
20
1114
0
20
1871
0
20
3491
0
20
556
0
20
413
0
20
1011
2
19
927
0
19
1041
0
19
2398
0
19
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Keyword(s): 漸化式