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A074249 as a simple table

na(n)
13
23
319
45
52801
643
74733
81201
91063
102801
11293459
12181
1316148168401
144733
15159871
16169553
172767631689
18117307
194534166740403
204021
2111898664849
2210746341
2331479823396757
241201
2531280679788951
2616148168401
272583253

[3,3,19,5,2801,43,4733,1201,1063,2801,293459,181,
 16148168401,4733,159871,169553,2767631689,117307,
 4534166740403,4021,11898664849,10746341,
 31479823396757,1201,31280679788951,16148168401,
 2583253]