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A009713 as a simple table

n a(n)
0 1
1 2
2 8
3 -176
4 -16384
5 -969728
6 -32455680
7 4303626240
8 1468506210304
9 269552004300800
10 24649152071991296
11 -7396863878894714880
12 -5630959968640999358464
13 -2114449853843696991076352

[1,2,8,-176,-16384,-969728,-32455680,4303626240,
 1468506210304,269552004300800,24649152071991296,
 -7396863878894714880,-5630959968640999358464,
 -2114449853843696991076352]

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Last modified March 1 19:16 EST 2024. Contains 370443 sequences. (Running on oeis4.)