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A071489 as a simple table

na(n)
11
22
33
44
55
61
76
83
92
105
111
128
136
147
155
162
174
188
191
206
2110
224
235
242
256
267
2710
285
291
308
317
3214
336
341
355
363
378
386
391
4012
4110
4213
436
448
451
4616
472
485
4917
5014
5116
521
5312
5410
553
565
571
588
597
6013
615
6211
638
647
651
6616
675
683
6918
708
711
7211
7310
745
758
7612
777
7816
791
802

[1,2,3,4,5,1,6,3,2,5,1,8,6,7,5,2,4,8,1,6,10,4,5,2,
 6,7,10,5,1,8,7,14,6,1,5,3,8,6,1,12,10,13,6,8,1,16,
 2,5,17,14,16,1,12,10,3,5,1,8,7,13,5,11,8,7,1,16,5,
 3,18,8,1,11,10,5,8,12,7,16,1,2]