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A146855 as a simple table

n a(n)
1 1
2 1
3 1
4 17
5 49
6 249
7 3481
8 80333
9 1943801
10 59816323
11 3493732595
12 338685091013
13 44460911929907

[1,1,1,17,49,249,3481,80333,1943801,59816323,
 3493732595,338685091013,44460911929907]

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Last modified January 30 09:51 EST 2023. Contains 359943 sequences. (Running on oeis4.)