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A358588 as a simple table

na(n)
10
20
30
40
51
68
741
8171
9633
102171
117070
1222195
1367830
14203130
15598806
161743258
175023711
1814356226
1940737383
20114904941
21322432215
22900707165
232506181060
246948996085
2519207795836
2652944197508
27145567226556
28399314965956
291093107693133
302986640695436

[0,0,0,0,1,8,41,171,633,2171,7070,22195,67830,
 203130,598806,1743258,5023711,14356226,40737383,
 114904941,322432215,900707165,2506181060,
 6948996085,19207795836,52944197508,145567226556,
 399314965956,1093107693133,2986640695436]