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A226061 as a simple table

n a(n)
1 0
2 1
3 3
4 8
5 27
6 110
7 538
8 3149
9 21622
10 172348
11 1549896
12 15401144
13 168011252
14 2003304293
15 25928878272
16 361788001015
17 5411160126367
18 86353882249911
19 1464841397585335
20 26323224850512719
21 499551889319197565 

[0,1,3,8,27,110,538,3149,21622,172348,1549896,
 15401144,168011252,2003304293,25928878272,
 361788001015,5411160126367,86353882249911,
 1464841397585335,26323224850512719,
 499551889319197565]

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Last modified September 3 23:03 EDT 2024. Contains 375679 sequences. (Running on oeis4.)