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A287455 as a simple table

na(n)
10
21
32
42
50
61
72
81
90
102
111
120
130
141
152
162
170
181
192
201
210
222
230
241
250
261
272
282
291
300
312
320
331
340
351
362
370
381
392
402
410
421
432
441
450
462
471
480
490
501
512
522
530
541
552
561
570
582
590
601
610
621
632
642
651
660
670
681
692
702
710
721
730
741
752
762
770
781
792
801
810
822
831
840
852
860

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