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A070804 as a simple table

na(n)
10
20
31
41
52
61
73
82
93
102
114
122
135
143
154
164
176
183
197
204
215
224
238
244
258
265
277
285
299
304
3110
326
338
346
359
365
3711
387
399
406
4112
425
4313
448
459
468
4714
486
4913
508
5111
529
5315
547
5512
569
5711
589
5916
606
6117
6210
6311
6411
6515
668
6718
6811
6914
709
7119
729
7320
7411
7512
7611
7717
789
7921
8011
8116
8212
8322
849
8518
8613
8716

[0,0,1,1,2,1,3,2,3,2,4,2,5,3,4,4,6,3,7,4,5,4,8,4,
 8,5,7,5,9,4,10,6,8,6,9,5,11,7,9,6,12,5,13,8,9,8,
 14,6,13,8,11,9,15,7,12,9,11,9,16,6,17,10,11,11,15,
 8,18,11,14,9,19,9,20,11,12,11,17,9,21,11,16,12,22,
 9,18,13,16]