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A048379 as a simple table

na(n)
01
12
23
34
45
56
67
78
89
90
1021
1122
1223
1324
1425
1526
1627
1728
1829
1920
2031
2132
2233
2334
2435
2536
2637
2738
2839
2930
3041
3142
3243
3344
3445
3546
3647
3748
3849
3940
4051
4152
4253
4354
4455
4556
4657
4758
4859
4950
5061
5162
5263
5364
5465
5566
5667
5768
5869
5960
6071
6172
6273
6374
6475
6576
6677
6778
6879
6970
7081
7182

[1,2,3,4,5,6,7,8,9,0,21,22,23,24,25,26,27,28,29,
 20,31,32,33,34,35,36,37,38,39,30,41,42,43,44,45,
 46,47,48,49,40,51,52,53,54,55,56,57,58,59,50,61,
 62,63,64,65,66,67,68,69,60,71,72,73,74,75,76,77,
 78,79,70,81,82]