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A173860 as a simple table

na(n)
11
20
30
40
51
60
70
80
90
101
110
121
130
141
150
160
171
180
191
200
210
221
230
240
250
260
270
280
291
300
310
320
330
341
350
361
370
381
390
400
411
420
431
440
450
461
470
480
490
500
510
520
531
540
550
560
570
581
590
601
610
621
630
640
651
660
671
680
690
701
710
720
730
740
750
760
771
780
790
800
810
821
830
841
850
861
870
880
891
900
911
920
930
941
950
960
970
980
990
1000
1011
1020
1030
1040
1050

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