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A286742 as a simple table

na(n)
17
224
3628
41687
510793
6376848
71530012
818660270
9278567575
101695509434
1111136696004
12102111268282
131260654956982
1410725187563686
15308788493220130
164193528956200936
1725999253094360135
18118166387818704585
192161492060929047665
2015963377896404315144

[7,24,628,1687,10793,376848,1530012,18660270,
 278567575,1695509434,11136696004,102111268282,
 1260654956982,10725187563686,308788493220130,
 4193528956200936,25999253094360135,
 118166387818704585,2161492060929047665,
 15963377896404315144]