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A175441 as a simple table

na(n)
11
23
311
425
5137
649
7363
8761
97129
107381
1183711
1286021
131145993
141171733
151195757
162436559
1742142223
1814274301
19275295799
2011167027
2118858053
2219093197
23444316699
241347822955
2534052522467
2634395742267
27312536252003
28315404588903
299227046511387
309304682830147

[1,3,11,25,137,49,363,761,7129,7381,83711,86021,
 1145993,1171733,1195757,2436559,42142223,14274301,
 275295799,11167027,18858053,19093197,444316699,
 1347822955,34052522467,34395742267,312536252003,
 315404588903,9227046511387,9304682830147]