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A207151
as a simple table
n
a(n)
1
1
2
2
3
20
4
252
5
7422
6
424316
7
53078115
8
13870207250
9
7439765626245
[1,2,20,252,7422,424316,53078115,13870207250, 7439765626245]
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Last modified August 25 07:21 EDT 2024. Contains 375422 sequences. (Running on oeis4.)
