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A257208 as a simple table

na(n)
1616608
2992467
3729311
41140763
5958492
6675943
7848628
81025500
91197017
101484651
111806573
122155273
132551405
143016791
153558516
164160683
174814887
185553807
196369827
207256231
218227854
229283499
2310430813
2411681467
2513036214
2614490345

[616608,992467,729311,1140763,958492,675943,
 848628,1025500,1197017,1484651,1806573,2155273,
 2551405,3016791,3558516,4160683,4814887,5553807,
 6369827,7256231,8227854,9283499,10430813,11681467,
 13036214,14490345]