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A121180 as a simple table

na(n)
10
20
30
41
51
65
76
826
932
10133
11176
12708
13952
143861
155302
1621604
1729960

[0,0,0,1,1,5,6,26,32,133,176,708,952,3861,5302,
 21604,29960]