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A232018 as a simple table

na(n)
19
266
3852
411517
5156913
62125749
728852936
8391447970
95311170384
1072061691152
11977727048997
1213265735926493
13179988561188366
142442072186590951
1533133863936280024
16449557939142907661
176099570552966630306

[9,66,852,11517,156913,2125749,28852936,391447970,
 5311170384,72061691152,977727048997,
 13265735926493,179988561188366,2442072186590951,
 33133863936280024,449557939142907661,
 6099570552966630306]