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A010181 as a simple table

na(n)
010
11
23
32
41
54
61
72
83
91
1020
111
123
132
141
154
161
172
183
191
2020
211
223
232
241
254
261
272
283
291
3020
311
323
332
341
354
361
372
383
391
4020
411
423
432
441
454
461
472
483
491
5020
511
523
532
541
554
561
572
583
591
6020
611
623
632
641
654
661
672
683
691
7020
711
723
732
741
754
761
772

[10,1,3,2,1,4,1,2,3,1,20,1,3,2,1,4,1,2,3,1,20,1,3,
 2,1,4,1,2,3,1,20,1,3,2,1,4,1,2,3,1,20,1,3,2,1,4,1,
 2,3,1,20,1,3,2,1,4,1,2,3,1,20,1,3,2,1,4,1,2,3,1,
 20,1,3,2,1,4,1,2]