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A146917 as a simple table

n a(n)
1 1
2 1
3 1
4 5
5 13
6 33
7 189
8 1504
9 14808
10 192345
11 3378235
12 83510270
13 2816813223
14 127717175896
15 7956430608952
16 672733591665214
17 77219550936345236 

[1,1,1,5,13,33,189,1504,14808,192345,3378235,
 83510270,2816813223,127717175896,7956430608952,
 672733591665214,77219550936345236]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)