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A009564 as a simple table

n a(n)
0 1
1 -60
2 15120
3 -8648640
4 8821612800
5 -14079294028800
6 32382376266240000
7 -101421602465863680000
8 415017197290314178560000
9 -2149789081963827444940800000
10 13750050968240640337841356800000
11 -106425394494182556214892101632000000
12 980390734080409707851586040233984000000 

[1,-60,15120,-8648640,8821612800,-14079294028800,
 32382376266240000,-101421602465863680000,
 415017197290314178560000,
 -2149789081963827444940800000,
 13750050968240640337841356800000,
 -106425394494182556214892101632000000,
 980390734080409707851586040233984000000]

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Last modified May 8 15:46 EDT 2024. Contains 372340 sequences. (Running on oeis4.)