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A146617 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 21
7 57
8 285
9 1551
10 8309
11 69683
12 754867
13 9884801
14 158671845
15 3311072917
16 81046423259 

[1,1,1,1,5,21,57,285,1551,8309,69683,754867,
 9884801,158671845,3311072917,81046423259]

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Last modified April 23 15:19 EDT 2024. Contains 371916 sequences. (Running on oeis4.)