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A147809 as a simple table

na(n)
10
20
31
40
51
60
72
81
91
100
111
121
133
140
151
160
173
182
191
200
213
221
233
240
251
260
273
281
291
301
313
322
333
341
351
360
373
382
391
400
412
421
435
441
451
461
477
481
491
501
511
521
533
540
553
560
577
581
591
601
611
621
633
641
651
660
673
683
691
702
711
723
737
740
753
761
773
781
791
801
813
822
837
840
851
861
873
881
893
900
913
921
935
940
951
961
973
983
995

[0,0,1,0,1,0,2,1,1,0,1,1,3,0,1,0,3,2,1,0,3,1,3,0,
 1,0,3,1,1,1,3,2,3,1,1,0,3,2,1,0,2,1,5,1,1,1,7,1,1,
 1,1,1,3,0,3,0,7,1,1,1,1,1,3,1,1,0,3,3,1,2,1,3,7,0,
 3,1,3,1,1,1,3,2,7,0,1,1,3,1,3,0,3,1,5,0,1,1,3,3,5]