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A207124 as a simple table

n a(n)
1 9
2 81
3 289
4 1024
5 4096
6 14161
7 45796
8 150544
9 481636
10 1493284
11 4601025
12 14055001
13 42380100
14 126900225
15 378108025
16 1119906225
17 3301766521
18 9702250000
19 28419216400
20 83012558161
21 241951836996
22 703860593296
23 2044150748644

[9,81,289,1024,4096,14161,45796,150544,481636,
 1493284,4601025,14055001,42380100,126900225,
 378108025,1119906225,3301766521,9702250000,
 28419216400,83012558161,241951836996,703860593296,
 2044150748644]

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Last modified June 25 12:55 EDT 2022. Contains 354851 sequences. (Running on oeis4.)