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A057020 as a simple table

na(n)
11
23
32
47
53
63
74
815
913
109
116
1214
137
146
156
1631
179
1813
1910
207
218
229
2312
2415
2531
2621
2710
2828
2915
309
3116
3221
3312
3427
3512
3691
3719
3815
3914
4045
4121
4212
4322
4414
4513
4618
4724
4862
4919
5031
5118
5249
5327
5415
5518
5615
5720
5845
5930
6014
6131
6224
6352
64127
6521
6618
6734
6821
6924
7018

[1,3,2,7,3,3,4,15,13,9,6,14,7,6,6,31,9,13,10,7,8,
 9,12,15,31,21,10,28,15,9,16,21,12,27,12,91,19,15,
 14,45,21,12,22,14,13,18,24,62,19,31,18,49,27,15,
 18,15,20,45,30,14,31,24,52,127,21,18,34,21,24,18]