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A177139 as a simple table

na(n)
13
25
37
411
515
621
725
835
937
1047
1151
1261
1365
1467
1577
1681
1791
1895
19105
20117
21141
22145
23155
24175
25191
26201
27207
28215
29221
30271
31275
32277
33287
34295
35341
36345
37351
38355
39365
40385
41411
42427
43431
44435
45441
46477
47485
48495
49497

[3,5,7,11,15,21,25,35,37,47,51,61,65,67,77,81,91,
 95,105,117,141,145,155,175,191,201,207,215,221,
 271,275,277,287,295,341,345,351,355,365,385,411,
 427,431,435,441,477,485,495,497]