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A001123 as a simple table

na(n)
17
217
331
443
579
689
7113
8127
9137
10199
11223
12233
13257
14281
15283
16331
17353
18401
19449
20463
21487
22521
23569
24571
25593
26607
27617
28631
29641
30691
31739
32751
33809
34811
35823
36857
37881
38929
39953
40977
411013
421039
431049
441063
451087
461097
471193
481217

[7,17,31,43,79,89,113,127,137,199,223,233,257,281,
 283,331,353,401,449,463,487,521,569,571,593,607,
 617,631,641,691,739,751,809,811,823,857,881,929,
 953,977,1013,1039,1049,1063,1087,1097,1193,1217]