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A048573 as a simple table

na(n)
02
13
27
313
427
553
6107
7213
8427
9853
101707
113413
126827
1313653
1427307
1554613
16109227
17218453
18436907
19873813
201747627
213495253
226990507
2313981013
2427962027
2555924053
26111848107
27223696213
28447392427
29894784853
301789569707

[2,3,7,13,27,53,107,213,427,853,1707,3413,6827,
 13653,27307,54613,109227,218453,436907,873813,
 1747627,3495253,6990507,13981013,27962027,
 55924053,111848107,223696213,447392427,894784853,
 1789569707]