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A287002 as a simple table

na(n)
10
21
32
40
51
60
71
82
90
100
111
122
130
141
150
161
170
181
192
200
211
220
231
242
250
260
271
282
290
300
311
322
330
341
350
361
372
380
390
401
412
420
431
440
451
460
471
482
490
501
510
521
530
541
552
560
571
580
591
602
610
620
631
642
650
661
670
681
690
701
712
720
731
740
751
762
770
780
791
802
810
820
831
842
850
861

[0,1,2,0,1,0,1,2,0,0,1,2,0,1,0,1,0,1,2,0,1,0,1,2,
 0,0,1,2,0,0,1,2,0,1,0,1,2,0,0,1,2,0,1,0,1,0,1,2,0,
 1,0,1,0,1,2,0,1,0,1,2,0,0,1,2,0,1,0,1,0,1,2,0,1,0,
 1,2,0,0,1,2,0,0,1,2,0,1]