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A281985 as a simple table

na(n)
10
288
37053
489414
5938730
68777256
777613062
8662453196
95524744676
1045282954978
11366289403756
122932084060000
1323271806827672
14183398526112180
151436667090150457
1611196246075282394
1786864485509399868
18671279748380068196

[0,88,7053,89414,938730,8777256,77613062,
 662453196,5524744676,45282954978,366289403756,
 2932084060000,23271806827672,183398526112180,
 1436667090150457,11196246075282394,
 86864485509399868,671279748380068196]