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A075052 as a simple table

na(n)
11
23
34
41
57
69
72
89
913
1015
1117
1219
1321
144
1519
1625
1727
1820
199
2031
2133
2235
2319
2418
2539
2641
2743
2828
2917
3047
3149
3251
3353
3455
3557
3659
3761
3839
3924
4065
4167
4269
4371
4435
4538
4675
4777
4879
4981
5047
5136
5285
5387
5489
5591
5681
5712
5895
5997
6099
61101
62103
6340
6465
65107
66109
67111
68113
69115
7011

[1,3,4,1,7,9,2,9,13,15,17,19,21,4,19,25,27,20,9,
 31,33,35,19,18,39,41,43,28,17,47,49,51,53,55,57,
 59,61,39,24,65,67,69,71,35,38,75,77,79,81,47,36,
 85,87,89,91,81,12,95,97,99,101,103,40,65,107,109,
 111,113,115,11]