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A008297 as a simple table

n a(n)
1 -1
2 2
3 1
4 -6
5 -6
6 -1
7 24
8 36
9 12
10 1
11 -120
12 -240
13 -120
14 -20
15 -1
16 720
17 1800
18 1200
19 300
20 30
21 1
22 -5040
23 -15120
24 -12600
25 -4200
26 -630
27 -42
28 -1
29 40320
30 141120
31 141120
32 58800
33 11760
34 1176
35 56
36 1
37 -362880
38 -1451520
39 -1693440
40 -846720
41 -211680
42 -28224
43 -2016
44 -72
45 -1
46 3628800
47 16329600
48 21772800
49 12700800

[-1,2,1,-6,-6,-1,24,36,12,1,-120,-240,-120,-20,-1,
 720,1800,1200,300,30,1,-5040,-15120,-12600,-4200,
 -630,-42,-1,40320,141120,141120,58800,11760,1176,
 56,1,-362880,-1451520,-1693440,-846720,-211680,
 -28224,-2016,-72,-1,3628800,16329600,21772800,
 12700800]

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Last modified May 13 03:04 EDT 2024. Contains 372497 sequences. (Running on oeis4.)