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A110912 as a simple table

na(n)
11
27
313
431
543
655
797
8101
9113
10119
11133
12139
13151
14161
15167
16185
17199
18211
19221
20227
21239
22265
23277
24283
25295
26305
27323
28353
29371
30385
31403
32407
33427
34451
35461
36463
37475
38515
39517
40539
41557
42559
43581
44613
45617
46641
47661
48685
49689
50697
51713
52767
53769
54773

[1,7,13,31,43,55,97,101,113,119,133,139,151,161,
 167,185,199,211,221,227,239,265,277,283,295,305,
 323,353,371,385,403,407,427,451,461,463,475,515,
 517,539,557,559,581,613,617,641,661,685,689,697,
 713,767,769,773]