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A197886 as a simple table

na(n)
11
218
377
4835
52730
617890
792843
8567991
93000116
1017111462
1194740977
12537643352
132995145891
1416728999681
1593489922434
16524952952537
172940191924830
1816425787144594
1991861015115420
20514650900540840
212882700958009902

[1,18,77,835,2730,17890,92843,567991,3000116,
 17111462,94740977,537643352,2995145891,
 16728999681,93489922434,524952952537,
 2940191924830,16425787144594,91861015115420,
 514650900540840,2882700958009902]