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A061718 as a simple table

na(n)
11
29
3216
410000
5759375
685766121
713492928512
82821109907456
9756680642578125
10253295162119140625
11103510234140112521216
1250714860157241037295616
1329345269354638035222576971

[1,9,216,10000,759375,85766121,13492928512,
 2821109907456,756680642578125,253295162119140625,
 103510234140112521216,50714860157241037295616,
 29345269354638035222576971]