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A039726 as a simple table

na(n)
12
23
35
47
511
619
729
837
947
1067
11103
12179
13191
14223
15271
16293
17317
18577
19643
20673
21809
22863
23877
241049
251093
261129
271151
281381
291613
301637
312089
322131
332311
342957
353623
363833
374253
384271
394423
404673
415939
427717
438167
449133
459533
469539
479679
4811059
4911743
5011969
5114759
5215859
5315971
5416139
5517431
5617713
5717761
5819309
5919373
6020747
6120983
6223741
6325261
6425933

[2,3,5,7,11,19,29,37,47,67,103,179,191,223,271,
 293,317,577,643,673,809,863,877,1049,1093,1129,
 1151,1381,1613,1637,2089,2131,2311,2957,3623,3833,
 4253,4271,4423,4673,5939,7717,8167,9133,9533,9539,
 9679,11059,11743,11969,14759,15859,15971,16139,
 17431,17713,17761,19309,19373,20747,20983,23741,
 25261,25933]