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A139073 as a simple table

na(n)
12
22
33
47
51009
62
75702401
8631
94481
1013
11566092801
123
1323452949585516450807808000001
14259201
15337
162521
173553839003727872684550301886383176323956736000000001
1841

[2,2,3,7,1009,2,5702401,631,4481,13,566092801,3,
 23452949585516450807808000001,259201,337,2521,
 35538390037278726845503018863831763239567360000000\
 01,41]