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A087894号作为一个简单的表

n个a(n)
1
25
11
413
517
619
723
837
941
1043
1147
1253
1359
1461
1571
1673
1779
1883
1989
2097
21101
22103
23107
24109
25113
26127
27131
28137
29139
30151
31157
32163
33167
34173
35179
36181
37191
38193
39197
40199
41211
42223
43227
44229
45233
46239
47241
48251
49257
50263
51269
52271
53277
54281
55283
56293
57307

[3,5,11,13,17,19,23,37,41,43,47,53,59,61,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307]