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A141528 as a simple table

n a(n)
1 0
2 -1
3 1
4 40
5 -81
6 -1559
7 4880
8 59039
9 -259119
10 -2161480
11 12785359
12 75835321
13 -600035040
14 -2509213121
15 27110649761
16 75767088200
17 -1187303728401
18 -1919146887799
19 50598599752240
20 28086422647519
21 -2102629012489359
22 951085683941080
23 85256703828122639

[0,-1,1,40,-81,-1559,4880,59039,-259119,-2161480,
 12785359,75835321,-600035040,-2509213121,
 27110649761,75767088200,-1187303728401,
 -1919146887799,50598599752240,28086422647519,
 -2102629012489359,951085683941080,
 85256703828122639]

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Last modified May 8 04:35 EDT 2024. Contains 372319 sequences. (Running on oeis4.)