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A348912 as a simple table

na(n)
01
13
221
3201
42217
526535
6335001
74391553
859203137
9815580507
1011430639165
11162470033625
122336381642649
1333930648153615
14496935405133617
157331179445170689
16108846406625097729
171625145134034548019
1824385673680861258533
19367546405595389076649
205561980053932228243529

[1,3,21,201,2217,26535,335001,4391553,59203137,
 815580507,11430639165,162470033625,2336381642649,
 33930648153615,496935405133617,7331179445170689,
 108846406625097729,1625145134034548019,
 24385673680861258533,367546405595389076649,
 5561980053932228243529]