18919
13
1866
9852
5
1632
2130
3
240
2319
4
233
1258
0
138
4331
1
136
2159
2
130
1058
0
75
757
3
60
825
0
55
662
0
50
733
0
48
952
0
47
538
0
47
742
0
47
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Keyword(s): 等差数列