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A172090 as a simple table

na(n)
01
11
21
31
42
51
61
71
81
91
101
111
120
131
141
151
161
170
180
191
201
211
221
230
240
250
261
271
281
291
300
310
320
330
341
351
361
371
380
390
400
410
420
431
441
451
461
470
480
490
500
510
520
531
541
551
561
570
580
590
600
610
620
630
641
651
661
671
680
690
700
710
720
730
740
750
761
771
781
791
800
810
820
830
840
850
860
870
880
891
901
911
921
930
940
950
960
970
980
990
1000
1010
1020
1031
1041

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