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A134875 as a simple table

na(n)
11
22
33
44
55
65
77
86
96
107
1111
127
1313
149
158
168
1717
189
1919
209
2110
2213
2323
2410
2510
2615
2712
2811
2929
3011
3131
3212
3314
3419
3512
3612
3737
3821
3916
4013
4141
4213
4343
4415
4514
4625
4747
4814
4914
5015
5120
5217
5353
5415
5516
5615
5722
5831
5959
6016
6161
6233
6316
6416
6518
6617
6767
6821
6926
7017
7171
7217
7373
7439
7520

[1,2,3,4,5,5,7,6,6,7,11,7,13,9,8,8,17,9,19,9,10,
 13,23,10,10,15,12,11,29,11,31,12,14,19,12,12,37,
 21,16,13,41,13,43,15,14,25,47,14,14,15,20,17,53,
 15,16,15,22,31,59,16,61,33,16,16,18,17,67,21,26,
 17,71,17,73,39,20]