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A257665 as a simple table

n a(n)
1 2
2 12
3 240
4 4032
5 16773120
6 4294901760
7 68719214592
8 1152921503533105152
9 1329227995784915871750885555673497600
10 95780971304118053647396688887409314154826126411694080
11 6582018229284824168619876730229320890292528855852623664389292032 

[2,12,240,4032,16773120,4294901760,68719214592,
 1152921503533105152,
 1329227995784915871750885555673497600,
 95780971304118053647396688887409314154826126411694\
 080,
 65820182292848241686198767302293208902925288558526\
 23664389292032]

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Last modified June 11 15:53 EDT 2024. Contains 373315 sequences. (Running on oeis4.)