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A208014 as a simple table

n a(n)
1 9
2 81
3 225
4 841
5 2304
6 6084
7 18496
8 53824
9 150544
10 435600
11 1263376
12 3610000
13 10368400
14 29899024
15 85895824
16 246741264
17 709902736
18 2041232400
19 5866947216
20 16869853456
21 48507419536
22 139454446096
23 400947305616
24 1152814510864

[9,81,225,841,2304,6084,18496,53824,150544,435600,
 1263376,3610000,10368400,29899024,85895824,
 246741264,709902736,2041232400,5866947216,
 16869853456,48507419536,139454446096,400947305616,
 1152814510864]

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Last modified June 29 09:21 EDT 2022. Contains 354910 sequences. (Running on oeis4.)