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A268255 as a simple table

na(n)
17
217
342
4106
5273
6717
71918
85218
914413
1040349
11114282
12326938
13943257
142740797
158010982
1623529346
1769385813
18205282157
19608959218
201810358938
215391414273
2216078923309
2348007516942
24143470822498
25429083952157
261284051486077

[7,17,42,106,273,717,1918,5218,14413,40349,114282,
 326938,943257,2740797,8010982,23529346,69385813,
 205282157,608959218,1810358938,5391414273,
 16078923309,48007516942,143470822498,429083952157,
 1284051486077]