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A113441 as a simple table

na(n)
01
13
212
350
4212
5905
63872
716576
870968
9303832
101300737
115568473
1223838453
13102051167
14436874885
151870233780
168006350999
1734274673894
18146727674181
19628131735844
202688991567300
2111511399994065
2249279563214531

[1,3,12,50,212,905,3872,16576,70968,303832,
 1300737,5568473,23838453,102051167,436874885,
 1870233780,8006350999,34274673894,146727674181,
 628131735844,2688991567300,11511399994065,
 49279563214531]