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A308248 as a simple table

n a(n)
1 0
2 1
3 9
4 16
5 81
6 784
7 6561
8 18496
9 1478656
10 43046721
11 281165824
12 893352321
13 5859137025
14 41368305664
15 405026597889
16 1088266240000
17 15965210931201
18 36991307874304
19 583272781383681
20 1318789102698496

[0,1,9,16,81,784,6561,18496,1478656,43046721,
 281165824,893352321,5859137025,41368305664,
 405026597889,1088266240000,15965210931201,
 36991307874304,583272781383681,1318789102698496]

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Last modified December 2 01:47 EST 2021. Contains 349435 sequences. (Running on oeis4.)