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A012015 as a simple table

n a(n)
0 1
1 0
2 -4
3 -192
4 -7600
5 -507136
6 -40159040
7 -4621348864
8 -627047126784
9 -113424912867328
10 -23612736247718912
11 -6196586681702039552
12 -1827473399583593672704
13 -652336666072894806360064

[1,0,-4,-192,-7600,-507136,-40159040,-4621348864,
 -627047126784,-113424912867328,-23612736247718912,
 -6196586681702039552,-1827473399583593672704,
 -652336666072894806360064]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)