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A297502 as a simple table

na(n)
17
268
3314
42281
514201
688808
7573119
83613793
922999331
10146183595
11928047561
125898371728
1337468267405
14238038322708
151512327060362
169607753234896
1761039432234655
18387788945511548
192463656446529920
2015651856594703719

[7,68,314,2281,14201,88808,573119,3613793,
 22999331,146183595,928047561,5898371728,
 37468267405,238038322708,1512327060362,
 9607753234896,61039432234655,387788945511548,
 2463656446529920,15651856594703719]