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A289515 as a simple table

n a(n)
8 1
9 -5952
10 18352224
11 -39044962048
12 64418979107376
13 -87832074172772736
14 102995856743010218624
15 -106751551557580631373312
16 99750353173835532264248472
17 -85298079996944806752079602240
18 67533359025085585021484468850240
19 -49969584220872820552640845366351104
20 34818371808714662813628963122182100160 

[1,-5952,18352224,-39044962048,64418979107376,
 -87832074172772736,102995856743010218624,
 -106751551557580631373312,
 99750353173835532264248472,
 -85298079996944806752079602240,
 67533359025085585021484468850240,
 -49969584220872820552640845366351104,
 34818371808714662813628963122182100160]

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Last modified May 12 17:17 EDT 2024. Contains 372492 sequences. (Running on oeis4.)