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A084696 as a simple table

na(n)
13
25
37
413
519
631
743
861
979
10103
11127
12139
13151
14157
15163
16181
17199
18211
19223
20277
21331
22349
23367
24373
25379
26409
27439
28463
29487
30547
31607
32613
33619
34631
35643
36691
37739
38811
39883
40937
41991
421021
431051
441069
451087
461129
471171
481201
491231
501279
511327
521399

[3,5,7,13,19,31,43,61,79,103,127,139,151,157,163,
 181,199,211,223,277,331,349,367,373,379,409,439,
 463,487,547,607,613,619,631,643,691,739,811,883,
 937,991,1021,1051,1069,1087,1129,1171,1201,1231,
 1279,1327,1399]