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A125958 as a simple table

na(n)
13
23
33
45
53
63
77
83
95
105
1111
123
1319
1411
153
16229
1747
185
19257
203
2119
2231
2317
2411
2513
263
273
285
295
3059
3123
323
333
347
3579
363
373373
383
393
407
4113
427
437
443527
45593
4619
473
483
4913
5013
5111
5219
5341
543
557
56109
573
58227
5913
605
615
623
63239
645
653251
663
671237
683
697
7031
713
727

[3,3,3,5,3,3,7,3,5,5,11,3,19,11,3,229,47,5,257,3,
 19,31,17,11,13,3,3,5,5,59,23,3,3,7,79,3,3373,3,3,
 7,13,7,7,3527,593,19,3,3,13,13,11,19,41,3,7,109,3,
 227,13,5,5,3,239,5,3251,3,1237,3,7,31,3,7]