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A028356 as a simple table

na(n)
01
12
23
34
43
52
61
72
83
94
103
112
121
132
143
154
163
172
181
192
203
214
223
232
241
252
263
274
283
292
301
312
323
334
343
352
361
372
383
394
403
412
421
432
443
454
463
472
481
492
503
514
523
532
541
552
563
574
583
592
601
612
623
634
643
652
661
672
683
694
703
712
721
732
743
754
763
772
781
792
803
814
823
832
841
852
863
874
883
892
901
912
923
934
943
952
961
972
983
994
1003
1012
1021
1032
1043
1054

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