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A337984 as a simple table

na(n)
115
233
335
451
555
669
777
885
993
1095
11119
12123
13141
14143
15145
16155
17161
18165
19177
20187
21201
22205
23209
24215
25217
26219
27221
28249
29253
30255
31265
32287
33291
34295
35309
36323
37327
38329
39335
40341
41355
42381
43385
44391
45395
46403
47407
48411
49413
50415
51437
52447
53451
54465

[15,33,35,51,55,69,77,85,93,95,119,123,141,143,
 145,155,161,165,177,187,201,205,209,215,217,219,
 221,249,253,255,265,287,291,295,309,323,327,329,
 335,341,355,381,385,391,395,403,407,411,413,415,
 437,447,451,465]