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A105778 as a simple table

na(n)
01
12
21
32
41
54
63
74
83
94
101
112
121
132
141
154
163
174
183
194
201
212
221
232
241
253
264
273
284
293
302
311
321
331
342
353
364
373
384
393
402
411
421
431
442
453
464
473
484
493
501
512
521
532
541
554
563
574
583
594
601
612
621
632
641
654
663
674
683
694
701
712
721
732
741
753
764
773
784
793
802
811
821
831
842
853
864
873
884
893
902
911
921
931
942
953
964
973
984
993
1001
1012
1021
1032
1041

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