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A166076 as a simple table

n a(n)
0 1
1 0
2 2
3 10
4 70
5 530
6 4278
7 36050
8 313558
9 2793970
10 25374262
11 234016530
12 2185799958
13 20634634930
14 196569384566
15 1887215137490
16 18242042039894
17 177383206638450
18 1733967807665334
19 17029818475966610
20 167961197068279190

[1,0,2,10,70,530,4278,36050,313558,2793970,
 25374262,234016530,2185799958,20634634930,
 196569384566,1887215137490,18242042039894,
 177383206638450,1733967807665334,
 17029818475966610,167961197068279190]

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Last modified February 23 15:29 EST 2024. Contains 370283 sequences. (Running on oeis4.)