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A136545 as a simple table

na(n)
10
21
32
42
53
63
73
85
93
106
114
127
134
147
154
1611
173
1812
194
2013
215
2214
235
2415
254
2617
275
2817
295
3017
315
3222
333
3423
354
3624
375
3825
395
4027
415
4229
436
4429
456
4629
476
4832
494
5033

[0,1,2,2,3,3,3,5,3,6,4,7,4,7,4,11,3,12,4,13,5,14,
 5,15,4,17,5,17,5,17,5,22,3,23,4,24,5,25,5,27,5,29,
 6,29,6,29,6,32,4,33]