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A044449 as a simple table

na(n)
17
223
331
439
555
671
787
895
9103
10127
11135
12151
13159
14167
15183
16199
17215
18223
19231
20247
21263
22279
23287
24295
25311
26327
27343
28351
29359
30383
31391
32407
33415
34423
35439
36511
37519
38535
39543
40551
41567
42583
43599
44607
45615
46639
47647
48663

[7,23,31,39,55,71,87,95,103,127,135,151,159,167,
 183,199,215,223,231,247,263,279,287,295,311,327,
 343,351,359,383,391,407,415,423,439,511,519,535,
 543,551,567,583,599,607,615,639,647,663]