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A146830 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 25
8 97
9 477
10 2077
11 8985
12 74677
13 698825
14 7828097
15 101646585
16 1842811427

[1,1,1,1,1,5,25,97,477,2077,8985,74677,698825,
 7828097,101646585,1842811427]

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Last modified December 9 02:09 EST 2021. Contains 349624 sequences. (Running on oeis4.)