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A121210 as a simple table

na(n)
10
20
30
41
51
67
77
835
936
10169
11177
12807
13859
143864
154145
1618616
1720098
1890265
1997913
20440230
21479367
222157946
232357108
2410623852
2511634624
2652496803
2757618226
28260236031
29286164543
301293603599
311424824820
326445885963
337109939186
3432187437996
3535548330099

[0,0,0,1,1,7,7,35,36,169,177,807,859,3864,4145,
 18616,20098,90265,97913,440230,479367,2157946,
 2357108,10623852,11634624,52496803,57618226,
 260236031,286164543,1293603599,1424824820,
 6445885963,7109939186,32187437996,35548330099]