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A136412 as a simple table

na(n)
02
17
227
3107
4427
51707
66827
727307
8109227
9436907
101747627
116990507
1227962027
13111848107
14447392427
151789569707
167158278827
1728633115307
18114532461227
19458129844907
201832519379627
217330077518507
2229320310074027

[2,7,27,107,427,1707,6827,27307,109227,436907,
 1747627,6990507,27962027,111848107,447392427,
 1789569707,7158278827,28633115307,114532461227,
 458129844907,1832519379627,7330077518507,
 29320310074027]