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A012670 as a simple table

n a(n)
0 2
1 -128
2 253952
3 -2863136768
4 107451055603712
5 -10140668012798148608
6 2022780765718183801782272
7 -757569427466144902069404827648

[2,-128,253952,-2863136768,107451055603712,
 -10140668012798148608,2022780765718183801782272,
 -757569427466144902069404827648]

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Last modified May 7 06:06 EDT 2024. Contains 372300 sequences. (Running on oeis4.)