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A100922 as a simple table

na(n)
01
12
23
33
44
55
65
76
86
97
107
117
128
139
149
1510
1610
1711
1811
1911
2012
2112
2213
2313
2413
2514
2614
2714
2815
2915
3015
3115
3216
3317
3417
3518
3618
3719
3819
3919
4020
4120
4221
4321
4421
4522
4622
4722
4823
4923
5023
5123
5224
5324
5425
5525
5625
5726
5826
5926
6027
6127
6227
6327
6428
6528
6628
6729
6829
6929
7029
7130
7230
7330
7430

[1,2,3,3,4,5,5,6,6,7,7,7,8,9,9,10,10,11,11,11,12,
 12,13,13,13,14,14,14,15,15,15,15,16,17,17,18,18,
 19,19,19,20,20,21,21,21,22,22,22,23,23,23,23,24,
 24,25,25,25,26,26,26,27,27,27,27,28,28,28,29,29,
 29,29,30,30,30,30]