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A324522 as a simple table

na(n)
12
29
315
421
533
639
751
857
969
1087
1193
12111
13123
14125
15129
16141
17159
18175
19177
20183
21201
22213
23219
24237
25245
26249
27267
28275
29291
30303
31309
32321
33325
34327
35339
36381
37385
38393
39411
40417
41425
42447
43453
44455
45471
46475
47489
48501
49519
50537
51543
52573
53575
54579
55591

[2,9,15,21,33,39,51,57,69,87,93,111,123,125,129,
 141,159,175,177,183,201,213,219,237,245,249,267,
 275,291,303,309,321,325,327,339,381,385,393,411,
 417,425,447,453,455,471,475,489,501,519,537,543,
 573,575,579,591]