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A272020 as a simple table

na(n)
01
12
22
31
43
53
61
73
82
93
102
111
124
134
141
154
162
174
182
191
204
213
224
233
241
254
263
272
284
293
302
311
325
335
341
355
362
375
382
391
405
413
425
433
441
455
463
472
485
493
502
511
525
534
545
554
561
575
584
592
605
614
622
631
645
654
663
675
684
693
701
715
724
733
742
755
764
773
782
791
806
816
821
836
842
856
862

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