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A139089 as a simple table

na(n)
4561
54435201
6691891201
739520825344001
813516122267648001
92872446304320552960001
10982417999304411328282624000001
11913648739353102535302840320000001

[561,4435201,691891201,39520825344001,
 13516122267648001,2872446304320552960001,
 982417999304411328282624000001,
 913648739353102535302840320000001]