14213
10
1836
2427
4
233
1144
0
75
1207
0
68
848
3
60
890
0
55
722
0
50
804
0
48
1018
0
47
1114
0
46
368
0
20
449
0
10
249
0
8
677
8
4
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Keyword(s): 階差数列