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A032004 as a simple table

n a(n)
1 1
2 1
3 1
4 7
5 15
6 105
7 855
8 7855
9 55975
10 560065
11 8413815
12 92433795
13 1445733485
14 21748130145
15 378156976785
16 6718626421035
17 128657800331555
18 2540367695055365
19 57535394030907155
20 1264457062012294015

[1,1,1,7,15,105,855,7855,55975,560065,8413815,
 92433795,1445733485,21748130145,378156976785,
 6718626421035,128657800331555,2540367695055365,
 57535394030907155,1264457062012294015]

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)