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A209902 as a simple table

na(n)
01
11
23
310
450
5261
61877
713511
8122663
91150988
1012656562
11142842855
121882666887
1324961232401
14375233443223
155784328028680
1698433762560780
171704971188321787
1832593405802749763
19629093184347294419
2013243913786996162915
21283647771230983625422

[1,1,3,10,50,261,1877,13511,122663,1150988,
 12656562,142842855,1882666887,24961232401,
 375233443223,5784328028680,98433762560780,
 1704971188321787,32593405802749763,
 629093184347294419,13243913786996162915,
 283647771230983625422]