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A109355 as a simple table

na(n)
17
219
331
437
543
657
761
8103
9169
10213
11229
12243
13273
14337
15339
16349
17357
18387
19421
20441
21453
22463
23469
24483
25531
26541
27559
28577
29583
30597
31621
32631
33637
34643
35681
36687
37729
38759
39789
40819
41877
42901
43927
44931
45937
461011
471033
481047
491051
501071
511077
521093
531101
541141
551143
561201

[7,19,31,37,43,57,61,103,169,213,229,243,273,337,
 339,349,357,387,421,441,453,463,469,483,531,541,
 559,577,583,597,621,631,637,643,681,687,729,759,
 789,819,877,901,927,931,937,1011,1033,1047,1051,
 1071,1077,1093,1101,1141,1143,1201]