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A146428 as a simple table

n a(n)
1 1
2 1
3 1
4 5
5 17
6 37
7 137
8 887
9 6015
10 58025
11 613977
12 8063295
13 140732661
14 3250417071

[1,1,1,5,17,37,137,887,6015,58025,613977,8063295,
 140732661,3250417071]

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Last modified September 29 23:18 EDT 2023. Contains 365781 sequences. (Running on oeis4.)