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A012466 as a simple table

n a(n)
0 1
1 0
2 12
3 -480
4 37968
5 -4773120
6 878319552
7 -222512349696
8 74262725323008
9 -31578556041732096
10 16666719859336276992
11 -10690478515516973015040
12 8190555666463900906475520
13 -7387658525325188387856384000

[1,0,12,-480,37968,-4773120,878319552,
 -222512349696,74262725323008,-31578556041732096,
 16666719859336276992,-10690478515516973015040,
 8190555666463900906475520,
 -7387658525325188387856384000]

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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)