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A087138 as a simple table

n a(n)
1 1
2 1
3 8
4 64
5 824
6 12968
7 252720
8 5789712
9 153169440
10 4589004192
11 153643615872
12 5684390364288
13 230307823878144
14 10141452865049088
15 482259966649655808
16 24630247225278881280
17 1344614199041549399040
18 78137673004382654223360

[1,1,8,64,824,12968,252720,5789712,153169440,
 4589004192,153643615872,5684390364288,
 230307823878144,10141452865049088,
 482259966649655808,24630247225278881280,
 1344614199041549399040,78137673004382654223360]

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Last modified April 18 15:48 EDT 2024. Contains 371780 sequences. (Running on oeis4.)