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A257570 as a simple table

na(n)
10
21
31
42
50
62
73
81
91
103
113
122
130
142
153
164
172
181
191
202
214
224
233
241
250
261
273
284
295
303
312
322
332
342
353
365
374
384
392
403
410
423
432
444
454
465
473
483
491
501
511
521
533
543
555
565
574
582
592
603
610
623
632
642
654
665
676
684
693
703
714
724
734
744
753
763
774
786
795
805
813
824
831
845
850
865

[0,1,1,2,0,2,3,1,1,3,3,2,0,2,3,4,2,1,1,2,4,4,3,1,
 0,1,3,4,5,3,2,2,2,2,3,5,4,4,2,3,0,3,2,4,4,5,3,3,1,
 1,1,1,3,3,5,5,4,2,2,3,0,3,2,2,4,5,6,4,3,3,4,4,4,4,
 3,3,4,6,5,5,3,4,1,5,0,5]