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A204421 as a simple table

na(n)
11
22
32
40
50
60
71
81
91
101
112
122
132
142
152
160
170
180
190
200
210
221
231
241
251
261
271
281
292
302
312
322
332
342
352
362
370
380
390
400
410
420
430
440
450
461
471
481
491
501
511
521
531
541
551
562
572
582
592
602
612
622
632
642
652
662
670
680
690
700
710
720
730
740
750
760
770
780
791
801
811
821
831
841
851
861
871
881
891
901
911
922
932
942
952
962
972
982
992

[1,2,2,0,0,0,1,1,1,1,2,2,2,2,2,0,0,0,0,0,0,1,1,1,
 1,1,1,1,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,1,1,1,1,
 1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,
 0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2]