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A106976 as a simple table

na(n)
17
213
367
4109
5139
6181
7199
8223
9241
10277
11313
12439
13457
14463
15499
16523
17547
18613
19631
20643
21661
22673
23691
24811
25919
26937
27991
281009
291021
301051
311069
321093
331153
341213
351231
361321
371327
381399
391483
401543
411579
421657
431669
441741
451747
461789

[7,13,67,109,139,181,199,223,241,277,313,439,457,
 463,499,523,547,613,631,643,661,673,691,811,919,
 937,991,1009,1021,1051,1069,1093,1153,1213,1231,
 1321,1327,1399,1483,1543,1579,1657,1669,1741,1747,
 1789]