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A362770 as a simple table

na(n)
12
27
311
417
519
623
729
831
941
1047
1153
1259
1367
1471
1579
1683
1789
18101
19107
20113
21127
22139
23157
24167
25179
26191
27197
28199
29227
30229
31233
32257
33263
34277
35293
36307
37311
38331
39353
40367
41383
42389
43397
44431
45443
46457
47461
48467
49479
50487
51499
52509
53521
54541
55569
56593
57599
58601
59617
60619
61647
62653
63661

[2,7,11,17,19,23,29,31,41,47,53,59,67,71,79,83,89,
 101,107,113,127,139,157,167,179,191,197,199,227,
 229,233,257,263,277,293,307,311,331,353,367,383,
 389,397,431,443,457,461,467,479,487,499,509,521,
 541,569,593,599,601,617,619,647,653,661]