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A108666 as a simple table

n a(n)
0 0
1 1
2 8
3 57
4 384
5 2505
6 16008
7 100849
8 628736
9 3888657
10 23900040
11 146146473
12 889928064
13 5399971161
14 32668236552
15 197123362785
16 1186790473728
17 7131032334369
18 42773183020296
19 256161548120857
20 1531966218561920
21 9150330147133161
22 54591847064667528
23 325361790187810257

[0,1,8,57,384,2505,16008,100849,628736,3888657,
 23900040,146146473,889928064,5399971161,
 32668236552,197123362785,1186790473728,
 7131032334369,42773183020296,256161548120857,
 1531966218561920,9150330147133161,
 54591847064667528,325361790187810257]

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)