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A074502 as a simple table

na(n)
03
19
241
3225
41313
57809
646721
7280065
81679873
910078209
1060467201
11362799105
122176786433
1313060702209
1478364180481
15470185017345
162821109972993
1716926659575809
18101559956930561
19609359740534785
203656158441111553

[3,9,41,225,1313,7809,46721,280065,1679873,
 10078209,60467201,362799105,2176786433,
 13060702209,78364180481,470185017345,
 2821109972993,16926659575809,101559956930561,
 609359740534785,3656158441111553]