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A105498 as a simple table

na(n)
01
12
21
34
41
52
63
74
81
92
101
114
123
134
143
154
161
172
181
194
201
212
223
234
243
254
263
274
283
294
303
314
321
332
341
354
361
372
383
394
401
412
421
434
443
454
463
474
483
494
503
514
523
534
543
554
563
574
583
594
603
614
623
634
641
652
661
674
681
692
703
714
721
732
741
754
763
774
783
794
801
812
821
834
841
852
863
874
883
894
903
914
923
934
943
954
963
974
983
994
1003
1014
1023
1034
1043

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