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A122201 as a simple table

na(n)
00
11
20
32
41
50
63
73
81
90
104
112
122
131
140
155
168
173
182
191
200
216
227
234
243
252
261
270
287
296
306
315
323
332
341
350
368
375
385
394
405
413
422
431
440
459
464
477
486
496
506
513
522
531
540
5510
5622
578
587
594
605
616
623
632
641
650
6611
6721
689
698
707
714
724
734
743
752
761
770
7812
7920
8011
8112
828
837
845
855
864
873
882
891
900
9113
9218
9314
9413
9512

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