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A203613 as a simple table

na(n)
155
285
391
4115
5133
6145
7187
8195
9204
10205
11217
12235
13247
14253
15259
16265
17275
18285
19295
20301
21319
22351
23355
24357
25385
26391
27403
28415
29425
30427
31445
32451
33465
34469
35476
36481
37483
38493
39505
40511
41517
42535
43553
44555
45559
46565
47575
48583
49589
50595
51609
52621
53637

[55,85,91,115,133,145,187,195,204,205,217,235,247,
 253,259,265,275,285,295,301,319,351,355,357,385,
 391,403,415,425,427,445,451,465,469,476,481,483,
 493,505,511,517,535,553,555,559,565,575,583,589,
 595,609,621,637]