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A328039 as a simple table

na(n)
10
20
30
41
52
610
732
8129
9468
101806
116780
1225917
1398056
14372919
151414548
165375974
1720432480
1877773845
19296350460
201130919576
214321818986
2216540888897
2363399449652
24243357204415
25935428588930
263600514267686
2713876474860110
2853546226302319
29206864885150216

[0,0,0,1,2,10,32,129,468,1806,6780,25917,98056,
 372919,1414548,5375974,20432480,77773845,
 296350460,1130919576,4321818986,16540888897,
 63399449652,243357204415,935428588930,
 3600514267686,13876474860110,53546226302319,
 206864885150216]