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A012488 as a simple table

n a(n)
0 1
1 -4
2 60
3 -2056
4 127376
5 -11253504
6 1524986944
7 -257629834112
8 60842617280768
9 -16737691854400512
10 6112605714322803712
11 -2481449664133693548544
12 1299422306103439813611520

[1,-4,60,-2056,127376,-11253504,1524986944,
 -257629834112,60842617280768,-16737691854400512,
 6112605714322803712,-2481449664133693548544,
 1299422306103439813611520]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)