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A221242 as a simple table

na(n)
14
2484
345369
44096576
5367565584
632940435025
72951293792489
8264404315544196
923687401278880161
102122092173450945536
11190112409243526686921
1217031641464052384231241
131525817148915719009233321

[4,484,45369,4096576,367565584,32940435025,
 2951293792489,264404315544196,23687401278880161,
 2122092173450945536,190112409243526686921,
 17031641464052384231241,1525817148915719009233321]