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A345331 as a simple table

na(n)
115
235
339
451
555
675
785
887
991
1095
11111
12115
13119
14123
15135
16143
17153
18155
19159
20175
21183
22187
23195
24203
25205
26215
27219
28221
29235
30247
31255
32259
33267
34275
35287
36291
37295
38299
39303
40315
41319
42323
43327
44335
45339
46351
47355
48357
49365
50371
51375
52391
53395
54403

[15,35,39,51,55,75,85,87,91,95,111,115,119,123,
 135,143,153,155,159,175,183,187,195,203,205,215,
 219,221,235,247,255,259,267,275,287,291,295,299,
 303,315,319,323,327,335,339,351,355,357,365,371,
 375,391,395,403]