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A063175 as a simple table

na(n)
115
221
339
451
555
675
791
899
9105
10121
11159
12165
13169
14187
15195
16249
17265
18285
19309
20325
21327
22339
23351
24385
25441
26471
27481
28489
29511
30517
31531
32595
33609
34615
35625
36685
37789
38805
39841
40879
41891
42909
43915
44939
45951
46955
47987
48999
491027
501035
511045
521057

[15,21,39,51,55,75,91,99,105,121,159,165,169,187,
 195,249,265,285,309,325,327,339,351,385,441,471,
 481,489,511,517,531,595,609,615,625,685,789,805,
 841,879,891,909,915,939,951,955,987,999,1027,1035,
 1045,1057]