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A189628 as a simple table

na(n)
10
20
31
40
50
61
70
81
90
100
110
121
130
140
151
160
171
180
190
200
211
220
231
240
250
260
271
280
290
301
310
320
331
340
351
360
370
380
391
400
410
421
430
441
450
460
470
481
490
501
510
520
530
541
550
560
571
580
590
601
610
621
630
640
650
661
670
681
690
700
710
721
730
740
751
760
770
781
790
801
810
820
830
841
850
860
871
880
891
900
910
920
931
940
950
961
970
981
990
1000
1010
1021
1030
1041
1050
1060
1070
1081
1090
1100
1111
1120
1130
1141
1150
1161
1170
1180
1190
1201
1210
1220

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