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A143428 as a simple table

na(n)
153
211
311
411
517
653
7197
8227
911
1053
1117
1253
1323
1417
15179
16269
1747
18311
1917
2011
2159
2241
2311
2453
25137
2611
2783
2853
2959
3017
3147
3217
3311
3447
35173
36269
3723
38101
3911
40137
41443
4253
43107
44263
4511
4623
47251
4817
49137
50383
51479
52353
53107
54173
5571
56197
5717
58107
59101
60179
6189
6217

[53,11,11,11,17,53,197,227,11,53,17,53,23,17,179,
 269,47,311,17,11,59,41,11,53,137,11,83,53,59,17,
 47,17,11,47,173,269,23,101,11,137,443,53,107,263,
 11,23,251,17,137,383,479,353,107,173,71,197,17,
 107,101,179,89,17]