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A181213 as a simple table

na(n)
12
216
3400
428561
57133488
65037592576
711494250657760
881903288018125025
91774095560440527819780
10120560883729040740095954944
1125387802734116842287569948104640
1216523941893729018365186706701633818689

[2,16,400,28561,7133488,5037592576,11494250657760,
 81903288018125025,1774095560440527819780,
 120560883729040740095954944,
 25387802734116842287569948104640,
 16523941893729018365186706701633818689]