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A292515 as a simple table

na(n)
10
20
30
40
50
61
70
81
91
103
113
1212
1319
1463
15153
16499
171473
184974
1916296
2056102
21192899
22674678
232381395
248468424

[0,0,0,0,0,1,0,1,1,3,3,12,19,63,153,499,1473,4974,
 16296,56102,192899,674678,2381395,8468424]