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A180697 as a simple table

na(n)
11
2225
33375
4437893890380859375
550625
66568408355712890625
7759375
88649755859375
998526125335693359375
1010894361101313487863732444325959303199624628177843987941741943359375

[1,225,3375,437893890380859375,50625,
 6568408355712890625,759375,8649755859375,
 98526125335693359375,
 10894361101313487863732444325959303199624628177843\
 987941741943359375]