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A286990 as a simple table

na(n)
11
20
31
41
50
61
70
81
90
101
110
121
131
140
151
160
171
180
191
200
211
221
230
241
251
260
271
280
291
300
311
320
331
341
350
361
370
381
390
401
410
421
431
440
451
461
470
481
490
501
510
521
530
541
551
560
571
580
591
600
611
620
631
641
650
661
670
681
690
701
710
721
731
740
751
761
770
781
790
801
810
821
830
841
851
860

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