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A334172 as a simple table

na(n)
12
21
35
43
59
63
729
827
921
1029
115
1251
1361
1459
1537
1649
1757
181
19123
20113
21121
2299
23117
2471
25123
26125
27115
28121
2999
30113
313
32245
33253
34225
35253
36245
37193
38251
39245
40225
41249
42245
43129
44251
45253
46235
47243
48195
49249
50243
51249
52225
53245
545
55505
56501
57509
58485

[2,1,5,3,9,3,29,27,21,29,5,51,61,59,37,49,57,1,
 123,113,121,99,117,71,123,125,115,121,99,113,3,
 245,253,225,253,245,193,251,245,225,249,245,129,
 251,253,235,243,195,249,243,249,225,245,5,505,501,
 509,485]