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A036959 as a simple table

na(n)
12
23
35
47
59
615
719
825
927
1033
1137
1239
1345
1455
1567
1679
1787
1893
1997
20103
21115
22117
23127
24141
25145
26157
27163
28165
29171
30183
31193
32195
33205
34225
35229
36235
37237
38247
39255
40267
41283
42285
43289
44297
45303
46307
47325
48327
49337
50375
51381
52391
53393
54403
55411
56415
57423

[2,3,5,7,9,15,19,25,27,33,37,39,45,55,67,79,87,93,
 97,103,115,117,127,141,145,157,163,165,171,183,
 193,195,205,225,229,235,237,247,255,267,283,285,
 289,297,303,307,325,327,337,375,381,391,393,403,
 411,415,423]