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A147338 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 25
7 57
8 341
9 3079
10 34841
11 488119
12 8511553
13 213350177
14 7487333931
15 351333499149 

[1,1,1,1,9,25,57,341,3079,34841,488119,8511553,
 213350177,7487333931,351333499149]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)