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A199474 as a simple table

na(n)
11
22
33
42
54
63
75
84
93
106
115
124
137
146
155
164
178
187
196
205
219
228
237
246
255
2610
279
288
297
306
3111
3210
339
348
357
366
3712
3811
3910
409
418
427
4313
4412
4511
4610
479
488
497
5014
5113
5212
5311
5410
559
568
5715
5814
5913
6012
6111
6210
639
648
6516
6615
6714
6813
6912
7011
7110
729
7317
7416
7515
7614

[1,2,3,2,4,3,5,4,3,6,5,4,7,6,5,4,8,7,6,5,9,8,7,6,
 5,10,9,8,7,6,11,10,9,8,7,6,12,11,10,9,8,7,13,12,
 11,10,9,8,7,14,13,12,11,10,9,8,15,14,13,12,11,10,
 9,8,16,15,14,13,12,11,10,9,17,16,15,14]