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A180918 as a simple table

na(n)
10
20
31
40
51
61
70
82
91
101
110
122
132
141
151
160
173
182
193
201
211
220
233
243
253
263
271
281
290
304
313
326
333
344
351
361
370
384
394
406
416
424
434
441
451
460
475
484
4910
506
5110
524
535
541
551
560
575
585
5910
6010
6110
6210
635
645
651
661
670
686
695
7015
7110
7220
7310
7415
755
766
771
781
790
806
816
8215
8315
8420
8520
8615
8715
886
896
901
911

[0,0,1,0,1,1,0,2,1,1,0,2,2,1,1,0,3,2,3,1,1,0,3,3,
 3,3,1,1,0,4,3,6,3,4,1,1,0,4,4,6,6,4,4,1,1,0,5,4,
 10,6,10,4,5,1,1,0,5,5,10,10,10,10,5,5,1,1,0,6,5,
 15,10,20,10,15,5,6,1,1,0,6,6,15,15,20,20,15,15,6,
 6,1,1]