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A185104
as a simple table
n
a(n)
1
11
2
13
3
17
4
31
5
37
6
71
7
73
8
79
9
97
10
113
11
131
12
179
13
199
14
311
15
337
16
373
17
733
18
919
19
991
20
3911
[11,13,17,31,37,71,73,79,97,113,131,179,199,311, 337,373,733,919,991,3911]