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A206088 as a simple table

n a(n)
1 270
2 780
3 2016
4 5952
5 17976
6 54432
7 165936
8 504912
9 1538496
10 4687392
11 14278656
12 43507872
13 132544416
14 403832352
15 1230343776
16 3748436832
17 11420384736
18 34794057312
19 106006675296
20 322968189792
21 983980623456
22 2997875890272

[270,780,2016,5952,17976,54432,165936,504912,
 1538496,4687392,14278656,43507872,132544416,
 403832352,1230343776,3748436832,11420384736,
 34794057312,106006675296,322968189792,
 983980623456,2997875890272]

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Last modified July 24 15:34 EDT 2024. Contains 374584 sequences. (Running on oeis4.)