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A232466 as a simple table

na(n)
10
20
31
42
54
610
720
844
993
10198
11414
12864
131788
143687
157541
1615382
1731200
1863191
19127482
20256857
21516404
221037104
232080357
244170283
258354078
2616728270

[0,0,1,2,4,10,20,44,93,198,414,864,1788,3687,7541,
 15382,31200,63191,127482,256857,516404,1037104,
 2080357,4170283,8354078,16728270]