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A147169 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 21
7 55
8 201
9 1193
10 6291
11 45811
12 376085
13 4555905

[1,1,1,1,9,21,55,201,1193,6291,45811,376085,
 4555905]

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