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A215320 as a simple table

na(n)
12
23
35
419
523
637
753
871
973
10103
11107
12137
13139
14173
15193
16223
17227
18239
19241
20257
21277
22307
23311
24359
25379
26397
27409
28431
29443
30461
31479
32499
33547
34563
35601
36613
37617
38631
39647
40683
41719
42733
43751
44787
45821
46839
47853
48887
49907
50919
51937
52941
53953

[2,3,5,19,23,37,53,71,73,103,107,137,139,173,193,
 223,227,239,241,257,277,307,311,359,379,397,409,
 431,443,461,479,499,547,563,601,613,617,631,647,
 683,719,733,751,787,821,839,853,887,907,919,937,
 941,953]