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A038876 as a simple table

na(n)
12
23
35
419
523
629
743
847
953
1067
1171
1273
1397
14101
15139
16149
17163
18167
19173
20191
21193
22197
23211
24239
25241
26263
27269
28283
29293
30307
31311
32313
33317
34331
35337
36359
37379
38383
39389
40409
41431
42433
43457
44461
45479
46499
47503
48509
49523
50547
51557
52571
53577
54599
55601
56619
57643
58647

[2,3,5,19,23,29,43,47,53,67,71,73,97,101,139,149,
 163,167,173,191,193,197,211,239,241,263,269,283,
 293,307,311,313,317,331,337,359,379,383,389,409,
 431,433,457,461,479,499,503,509,523,547,557,571,
 577,599,601,619,643,647]