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A120293 as a simple table

na(n)
12
21
311
417
51
61
741
817
931
1037
1129
12101
1329
141
15149
16167
1731
18103
19227
2083
211
2237
23107
24347
251
2667
27431
28461
2941
30131
31557
32197
33313
34331
35233
3667
3797
381
39857
401
41157
421
431031
44359
45281
46293
471
481
49661
50229
511427
521481
531
54199
5597
56569
57883
5883
591
601949
61503
62173

[2,1,11,17,1,1,41,17,31,37,29,101,29,1,149,167,31,
 103,227,83,1,37,107,347,1,67,431,461,41,131,557,
 197,313,331,233,67,97,1,857,1,157,1,1031,359,281,
 293,1,1,661,229,1427,1481,1,199,97,569,883,83,1,
 1949,503,173]