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A128377 as a simple table

n a(n)
1 1
2 -25
3 301
4 -2301
5 12327
6 -47559
7 125359
8 -151351
9 -491846
10 3851078
11 -14347346
12 37092866
13 -66450892
14 51477724
15 181273568
16 -1070889040
17 3547358305
18 -9284886241
19 20585961753
20 -38285823801
21 52690007223

[1,-25,301,-2301,12327,-47559,125359,-151351,
 -491846,3851078,-14347346,37092866,-66450892,
 51477724,181273568,-1070889040,3547358305,
 -9284886241,20585961753,-38285823801,52690007223]

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Last modified May 16 03:14 EDT 2024. Contains 372549 sequences. (Running on oeis4.)