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A139166 as a simple table

na(n)
316
4631
54989601
6778377601
744460928512001
815205637551104001
93231502092360622080001
101105220249217462744317952000001
111027854831772240352215695360000001

[16,631,4989601,778377601,44460928512001,
 15205637551104001,3231502092360622080001,
 1105220249217462744317952000001,
 1027854831772240352215695360000001]