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A187976 as a simple table

na(n)
10
21
30
41
50
60
71
80
91
100
111
121
130
141
150
161
170
180
191
200
211
220
231
241
250
261
270
281
290
300
311
320
331
340
350
361
370
381
390
401
411
420
431
440
451
460
470
481
490
501
510
521
531
540
551
560
571
580
590
601
610
621
630
640
651
660
671
680
691
701
710
721
730
741
750
760
771
780
791
800
811
821
830
841
850
861
870
880
891
900
911
920
931
941
950
961
970
981
990
1000
1011
1020
1031
1040
1050
1061
1070
1081
1090
1101
1111
1120
1131
1140
1151
1160
1170

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