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A321700 as a simple table

na(n)
12
23
37
411
513
617
719
823
937
1047
1153
1259
1361
1467
1571
1673
1779
1889
1997
20103
21107
22113
23137
24197
25227
26239
27263
28269
29271
30307
31311
32317
33337
34347
35353
36359
37367
38373
39379
40389
41397
42439
43449
44479
45487
46503
47523
48547
49557
50563
51569
52571
53607
54613
55677
56727
57739
58887
59947
60977

[2,3,7,11,13,17,19,23,37,47,53,59,61,67,71,73,79,
 89,97,103,107,113,137,197,227,239,263,269,271,307,
 311,317,337,347,353,359,367,373,379,389,397,439,
 449,479,487,503,523,547,557,563,569,571,607,613,
 677,727,739,887,947,977]