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A284387 as a simple table

na(n)
12
22
31
40
52
62
71
80
92
101
110
122
132
141
150
162
172
181
190
202
211
220
232
242
251
260
272
281
290
302
312
321
330
342
352
361
370
382
391
400
412
422
431
440
452
462
471
480
492
501
510
522
532
541
550
562
571
580
592
602
611
620
632
642
651
660
672
681
690
702
712
721
730
742
751
760
772
782
791
800
812
822
831
840
852
861

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