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A105239 as a simple table

na(n)
01
12
21
34
43
54
61
72
81
93
104
113
122
131
142
153
164
173
181
192
201
214
223
234
241
252
261
272
281
292
303
314
323
332
341
352
364
373
384
391
402
411
424
433
444
452
461
472
483
494
503
512
521
532
541
552
561
574
583
594
601
612
621
633
644
653
662
671
682
693
704
713
721
732
741
754
763
774
781
792
801
814
823
834
841
852
861
874
883
894
902
911
922
933
944
953
962
971
982
994
1003
1014
1021
1032
1041

[1,2,1,4,3,4,1,2,1,3,4,3,2,1,2,3,4,3,1,2,1,4,3,4,
 1,2,1,2,1,2,3,4,3,2,1,2,4,3,4,1,2,1,4,3,4,2,1,2,3,
 4,3,2,1,2,1,2,1,4,3,4,1,2,1,3,4,3,2,1,2,3,4,3,1,2,
 1,4,3,4,1,2,1,4,3,4,1,2,1,4,3,4,2,1,2,3,4,3,2,1,2,
 4,3,4,1,2,1]