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A216743 as a simple table

na(n)
15
27
313
417
519
623
729
831
937
1041
1147
1253
1361
1467
1571
1673
1779
1889
1997
20101
21103
22109
23113
24127
25137
26139
27149
28151
29157
30163
31167
32173
33181
34191
35193
36197
37199
38211
39223
40229
41233
42239
43241
44263
45269
46271
47277
48293
49311
50313
51317
52331
53337
54349
55353
56359
57367
58373
59379
60383
61389
62397
63401

[5,7,13,17,19,23,29,31,37,41,47,53,61,67,71,73,79,
 89,97,101,103,109,113,127,137,139,149,151,157,163,
 167,173,181,191,193,197,199,211,223,229,233,239,
 241,263,269,271,277,293,311,313,317,331,337,349,
 353,359,367,373,379,383,389,397,401]