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A212033 as a simple table

na(n)
10
20
334
41651
539901
6480914
73668669
820431909
990528036
10337143876
111095367909
123187460809

[0,0,34,1651,39901,480914,3668669,20431909,
 90528036,337143876,1095367909,3187460809]