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A282615 as a simple table

na(n)
10
21
31
43
54
69
720
835
9102
10160
11736
12930
135972
146766
1559017
1661814
17671651

[0,1,1,3,4,9,20,35,102,160,736,930,5972,6766,
 59017,61814,671651]