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A356794 as a simple table

na(n)
115
235
339
445
551
655
775
887
991
1095
11105
12111
13115
14117
15119
16123
17135
18143
19153
20155
21159
22165
23175
24183
25187
26195
27203
28215
29219
30225
31235
32245
33247
34255
35259
36261
37267
38273
39275
40285
41287
42291
43295
44299
45303
46315
47319
48323
49327
50333
51335
52339
53345
54351

[15,35,39,45,51,55,75,87,91,95,105,111,115,117,
 119,123,135,143,153,155,159,165,175,183,187,195,
 203,215,219,225,235,245,247,255,259,261,267,273,
 275,285,287,291,295,299,303,315,319,323,327,333,
 335,339,345,351]