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A222416 as a simple table

na(n)
11
22
33
44
55
65
77
88
99
107
1111
127
1313
149
158
1616
1717
1811
1919
209
2110
2213
2323
2411
2525
2615
2727
2811
2929
3010
3131
3232
3314
3419
3512
3613
3737
3821
3916
4013
4141
4212
4343
4415
4514
4625
4747
4819
4949
5027
5120
5217
5353
5429
5516
5615
5722
5831
5959
6012
6161
6233
6316
6464
6518
6616
6767
6821
6926
7014
7171
7217
7373

[1,2,3,4,5,5,7,8,9,7,11,7,13,9,8,16,17,11,19,9,10,
 13,23,11,25,15,27,11,29,10,31,32,14,19,12,13,37,
 21,16,13,41,12,43,15,14,25,47,19,49,27,20,17,53,
 29,16,15,22,31,59,12,61,33,16,64,18,16,67,21,26,
 14,71,17,73]