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A025820 as a simple table

na(n)
01
10
21
30
41
50
61
71
81
91
101
111
122
131
143
151
163
171
183
192
203
213
223
233
244
253
265
273
286
293
306
314
326
335
346
356
367
376
388
396
409
416
4210
437
4410
458
4610
479
4811
4910
5012
5110
5213
5310
5414
5511
5615
5712
5815
5913
6016
6114
6217
6315
6418
6515
6619
6716
6820

[1,0,1,0,1,0,1,1,1,1,1,1,2,1,3,1,3,1,3,2,3,3,3,3,
 4,3,5,3,6,3,6,4,6,5,6,6,7,6,8,6,9,6,10,7,10,8,10,
 9,11,10,12,10,13,10,14,11,15,12,15,13,16,14,17,15,
 18,15,19,16,20]