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A021103 as a simple table

na(n)
00
10
20
31
43
59
644
7294
82893
936496
10545808
119029737
12159563559
132952794985
1456589742050

[0,0,0,1,3,9,44,294,2893,36496,545808,9029737,
 159563559,2952794985,56589742050]