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A193488 as a simple table

na(n)
10
20
30
40
51
61
76
811
942
1092
11294
12720
132119
145460
1515477
1640989
17114165
18306980
19848268
202301794
216341450
2217308926
2347659837
24130628590
25359924353
26989642184
272730224431
287526539869
2920795818601
3057457010219

[0,0,0,0,1,1,6,11,42,92,294,720,2119,5460,15477,
 40989,114165,306980,848268,2301794,6341450,
 17308926,47659837,130628590,359924353,989642184,
 2730224431,7526539869,20795818601,57457010219]