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A052948 as a simple table

na(n)
01
11
23
37
419
551
6139
7379
81035
92827
107723
1121099
1257643
13157483
14430251
151175467
163211435
178773803
1823970475
1965488555
20178918059
21488813227
221335462571
233648551595
249968028331
2527233159851
2674402376363
27203271072427
28555346897579
291517235940011
304145165675179

[1,1,3,7,19,51,139,379,1035,2827,7723,21099,57643,
 157483,430251,1175467,3211435,8773803,23970475,
 65488555,178918059,488813227,1335462571,
 3648551595,9968028331,27233159851,74402376363,
 203271072427,555346897579,1517235940011,
 4145165675179]