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A109380 as a simple table

na(n)
00
11
21
32
42
51
63
73
85
91
104
115
127
137
149
159
1610
1712
1813
1914
2012
2112
2216
2315
2417
2516
2619
2716
2821
2924
3021
3122
3222
3325
3425
3525
3627
3732
3833
3930
4034
4134
4236
4336
4437
4538
4638
4744
4842
4944
5042
5146
5247
5348
5450
5550
5647
5752
5852
5949
6054
6160
6260
6359
6456
6560
6662
6768
6870
6965
7065
7167
7270
7370
7474

[0,1,1,2,2,1,3,3,5,1,4,5,7,7,9,9,10,12,13,14,12,
 12,16,15,17,16,19,16,21,24,21,22,22,25,25,25,27,
 32,33,30,34,34,36,36,37,38,38,44,42,44,42,46,47,
 48,50,50,47,52,52,49,54,60,60,59,56,60,62,68,70,
 65,65,67,70,70,74]