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A146006 as a simple table

n a(n)
1 1
2 1
3 5
4 17
5 53
6 559
7 10558
8 208889
9 6272332
10 353563401
11 30617473617
12 3806002157431
13 753576262868027

[1,1,5,17,53,559,10558,208889,6272332,353563401,
 30617473617,3806002157431,753576262868027]

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)