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A296921 as a simple table

na(n)
141
243
347
453
561
671
783
897
9113
10131
11151
12167
13173
14179
15197
16199
17223
18227
19251
20263
21281
22307
23313
24347
25359
26367
27373
28379
29383
30397
31409
32419
33421
34439
35457
36461
37487
38499
39503
40523
41547
42563
43577
44593
45607
46641
47647
48653
49661
50673
51677
52691
53701
54709
55733
56739
57743
58773
59787
60797

[41,43,47,53,61,71,83,97,113,131,151,167,173,179,
 197,199,223,227,251,263,281,307,313,347,359,367,
 373,379,383,397,409,419,421,439,457,461,487,499,
 503,523,547,563,577,593,607,641,647,653,661,673,
 677,691,701,709,733,739,743,773,787,797]