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A003653 as a simple table

na(n)
15
28
313
417
529
637
740
841
953
1061
1165
1273
1385
1489
1597
16101
17104
18109
19113
20137
21145
22149
23157
24173
25181
26185
27193
28197
29229
30232
31233
32241
33257
34265
35269
36277
37281
38293
39296
40313
41317
42328
43337
44349
45353
46365
47373
48389
49397
50401
51409
52421
53424
54433
55445
56449

[5,8,13,17,29,37,40,41,53,61,65,73,85,89,97,101,
 104,109,113,137,145,149,157,173,181,185,193,197,
 229,232,233,241,257,265,269,277,281,293,296,313,
 317,328,337,349,353,365,373,389,397,401,409,421,
 424,433,445,449]