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A307854 as a simple table

na(n)
11
215
327
435
539
651
763
869
975
1077
1187
1291
1395
1499
15115
16119
17123
18125
19135
20143
21147
22153
23155
24159
25171
26175
27183
28187
29189
30195
31203
32207
33215
34219
35231
36235
37237
38243
39245
40247
41249
42255
43259
44267
45275
46279
47285
48287
49291
50299
51303
52305
53309
54315
55319
56323

[1,15,27,35,39,51,63,69,75,77,87,91,95,99,115,119,
 123,125,135,143,147,153,155,159,171,175,183,187,
 189,195,203,207,215,219,231,235,237,243,245,247,
 249,255,259,267,275,279,285,287,291,299,303,305,
 309,315,319,323]