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A199756 as a simple table

na(n)
07
167
2727
37987
487847
5966307
610629367
7116923027
81286153287
914147686147
10155624547607
111711870023667
1218830570260327
13207136272863587
142278499001499447
1525063489016493907
16275698379181432967
173032682170995762627

[7,67,727,7987,87847,966307,10629367,116923027,
 1286153287,14147686147,155624547607,1711870023667,
 18830570260327,207136272863587,2278499001499447,
 25063489016493907,275698379181432967,
 3032682170995762627]