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A000921 as a simple table

na(n)
17
231
343
467
573
679
7103
8127
9163
10181
11223
12229
13271
14277
15307
16313
17337
18349
19409
20421
21439
22457
23463
24499
25523
26577
27643
28661
29673
30691
31709
32727
33757
34769
35811
36823
37829
38853
39877
40919
41967
42991
43997
441021
451069
461087
471093
481117
491123
501171
511213

[7,31,43,67,73,79,103,127,163,181,223,229,271,277,
 307,313,337,349,409,421,439,457,463,499,523,577,
 643,661,673,691,709,727,757,769,811,823,829,853,
 877,919,967,991,997,1021,1069,1087,1093,1117,1123,
 1171,1213]