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A216789 as a simple table

na(n)
20
30
41
50
61
71
80
91
102
112
120
131
142
151
161
170
181
192
203
212
222
230
241
252
263
271
283
292
300
311
322
333
344
352
362
373
380
391
402
413
424
431
443
453
461
470
481
492
503
514
525
532
544
554
562
570
581
592
603
614
625
631
643
652
661
672
680
691
702
713
724
735
746
752
764
773
782
793

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