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A333857 as a simple table

na(n)
11
221
333
457
563
669
777
893
999
10129
11133
12141
13147
14161
15171
16177
17189
18201
19207
20209
21213
22217
23231
24237
25249
26253
27279
28297
29301
30309
31321
32329
33341
34363
35381
36387
37393
38399
39413
40417
41423
42437
43441
44453
45469
46473
47483
48489
49497
50501
51513
52517
53531
54537
55539
56553
57567
58573
59581
60589
61597

[1,21,33,57,63,69,77,93,99,129,133,141,147,161,
 171,177,189,201,207,209,213,217,231,237,249,253,
 279,297,301,309,321,329,341,363,381,387,393,399,
 413,417,423,437,441,453,469,473,483,489,497,501,
 513,517,531,537,539,553,567,573,581,589,597]