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A012760 as a simple table

n a(n)
0 0
1 1
2 -1
3 4
4 -6
5 -7
6 135
7 -968
8 1764
9 58669
10 -1068885
11 10920908
12 -41078730
13 -1105690419
14 31085174939
15 -413045671712
16 692738905320
17 126897371107929
18 -3901725279332361
19 61836650105641300
20 -52537696659319150

[0,1,-1,4,-6,-7,135,-968,1764,58669,-1068885,
 10920908,-41078730,-1105690419,31085174939,
 -413045671712,692738905320,126897371107929,
 -3901725279332361,61836650105641300,
 -52537696659319150]

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Last modified December 7 22:54 EST 2023. Contains 367662 sequences. (Running on oeis4.)