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A189687 as a simple table

na(n)
10
21
31
40
51
60
71
80
91
101
110
121
130
141
151
160
171
180
191
201
210
221
230
241
250
261
271
280
291
300
311
321
330
341
350
361
370
381
391
400
411
420
431
441
450
461
470
481
490
501
511
520
531
540
551
561
570
581
590
601
611
620
631
640
651
660
671
681
690
701
710
721
731
740
751
760
771
780
791
801
810
821
830
841
851
860
871
880
891
901
910
921
930
941
950
961
971
980
991
1000
1011
1021
1030
1041
1050
1061
1070
1081
1091
1100
1111
1120
1131
1141
1150
1161
1170
1181
1191
1200

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