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A297918 as a simple table

na(n)
11
217
3109
4588
53276
618451
7103558
8581318
93263838
1018323588
11102871721
12577541657
133242423256
1418203555673
15102198092227
16573758755891
173221186481709
1818084329459118
19101528729659838
20570000838170243

[1,17,109,588,3276,18451,103558,581318,3263838,
 18323588,102871721,577541657,3242423256,
 18203555673,102198092227,573758755891,
 3221186481709,18084329459118,101528729659838,
 570000838170243]