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A030530 as a simple table

na(n)
00
11
22
32
43
53
64
74
84
95
105
115
126
136
146
157
167
177
188
198
208
218
229
239
249
259
2610
2710
2810
2910
3011
3111
3211
3311
3412
3512
3612
3712
3813
3913
4013
4113
4214
4314
4414
4514
4615
4715
4815
4915
5016
5116
5216
5316
5416
5517
5617
5717
5817
5917
6018
6118
6218
6318
6418
6519
6619
6719
6819
6919
7020
7120
7220
7320
7420
7521
7621
7721

[0,1,2,2,3,3,4,4,4,5,5,5,6,6,6,7,7,7,8,8,8,8,9,9,
 9,9,10,10,10,10,11,11,11,11,12,12,12,12,13,13,13,
 13,14,14,14,14,15,15,15,15,16,16,16,16,16,17,17,
 17,17,17,18,18,18,18,18,19,19,19,19,19,20,20,20,
 20,20,21,21,21]