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A043951 as a simple table

na(n)
129
243
393
4107
5157
6171
7221
8239
9285
10299
11351
12363
13413
14427
15477
16491
17541
18555
19605
20619
21669
22683
23733
24751
25797
26811
27863
28875
29925
30939
31989
321003
331053
341067
351117
361131
371181
381195
391245
401263
411309
421323
431375

[29,43,93,107,157,171,221,239,285,299,351,363,413,
 427,477,491,541,555,605,619,669,683,733,751,797,
 811,863,875,925,939,989,1003,1053,1067,1117,1131,
 1181,1195,1245,1263,1309,1323,1375]