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A091712 as a simple table

na(n)
01
12
22
32
43
56
614
736
899
9286
10858
112652
128398
1327132
1489148
15297160
161002915
173421710
1811785890
1940940460
20143291610
21504932340
221790214660
236382504440
2422870640910
2582334307276
26297670187844
271080432533656
283935861372604

[1,2,2,2,3,6,14,36,99,286,858,2652,8398,27132,
 89148,297160,1002915,3421710,11785890,40940460,
 143291610,504932340,1790214660,6382504440,
 22870640910,82334307276,297670187844,
 1080432533656,3935861372604]