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A205424 as a simple table

na(n)
115
2102
3870
47566
568342
6609086
75514982
849362414
9446198614
104001326366
1136118081094
12324279012558
132924285830070
1426275991783678
15236797822738342
162128866218464686
1719176856665755158
18172465933376949982

[15,102,870,7566,68342,609086,5514982,49362414,
 446198614,4001326366,36118081094,324279012558,
 2924285830070,26275991783678,236797822738342,
 2128866218464686,19176856665755158,
 172465933376949982]