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A197611 as a simple table

na(n)
16
2352
39361
4305072
59128940
6273369257
78272253014
8248406422932
97492663676120
10225895450875974
116806715214396789
12205133014114836249
136182227794667672415
14186308619483759925812
155614733760573864189597

[6,352,9361,305072,9128940,273369257,8272253014,
 248406422932,7492663676120,225895450875974,
 6806715214396789,205133014114836249,
 6182227794667672415,186308619483759925812,
 5614733760573864189597]