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A232580 as a simple table

na(n)
00
10
20
31
44
512
631
774
8168
9369
10792
111672
123487
137206
1414788
1530185
1661356
17124308
18251199
19506578
201019920
212050785
224119280
238267216
2416580799
2533236622
2666594636
27133385689
28267089188
29534692604
301070217247
312141780762
324285739832
338575004241

[0,0,0,1,4,12,31,74,168,369,792,1672,3487,7206,
 14788,30185,61356,124308,251199,506578,1019920,
 2050785,4119280,8267216,16580799,33236622,
 66594636,133385689,267089188,534692604,1070217247,
 2141780762,4285739832,8575004241]