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A147325 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 25
7 57
8 349
9 3222
10 35623
11 520596
12 9629183
13 240941564
14 8486368727
15 407009202584 

[1,1,1,1,9,25,57,349,3222,35623,520596,9629183,
 240941564,8486368727,407009202584]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)