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A147217 as a simple table

n a(n)
1 1
2 1
3 1
4 17
5 49
6 237
7 2821
8 72631
9 1759597
10 48580733
11 2684705291
12 263944603423

[1,1,1,17,49,237,2821,72631,1759597,48580733,
 2684705291,263944603423]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)