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A009601 as a simple table

n a(n)
0 0
1 1
2 -1
3 5
4 -24
5 166
6 -1350
7 13026
8 -143808
9 1790560
10 -24782400
11 377280056
12 -6262125936
13 112504698840
14 -2174463129384
15 44977635083096
16 -991157036904960
17 23178047520065536
18 -573180268144301568
19 14943307041391438080

[0,1,-1,5,-24,166,-1350,13026,-143808,1790560,
 -24782400,377280056,-6262125936,112504698840,
 -2174463129384,44977635083096,-991157036904960,
 23178047520065536,-573180268144301568,
 14943307041391438080]

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Last modified April 20 06:33 EDT 2024. Contains 371799 sequences. (Running on oeis4.)