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A308052 as a simple table

na(n)
12
22
32
42
53
63
75
85
95
105
117
127
137
147
1511
1611
1711
1811
1911
2011
2111
2211
2313
2413
2513
2613
2717
2817
2917
3017
3117
3217
3317
3417
3519
3619
3719
3819
3923
4023
4123
4223
4323
4423
4523
4623
4729
4829
4929
5029
5129
5229
5329
5429
5529
5629
5729
5829
5931
6031
6131
6231
6337
6437
6537
6637
6737
6837

[2,2,2,2,3,3,5,5,5,5,7,7,7,7,11,11,11,11,11,11,11,
 11,13,13,13,13,17,17,17,17,17,17,17,17,19,19,19,
 19,23,23,23,23,23,23,23,23,29,29,29,29,29,29,29,
 29,29,29,29,29,31,31,31,31,37,37,37,37,37,37]