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A156090 as a simple table

n a(n)
0 0
1 -4
2 60
3 -1096
4 19640
5 -352460
6 6324596
7 -113490320
8 2036501104
9 -36543529620
10 655747031980
11 -11766903046104
12 211148507797800
13 -3788906237314396
14 67989163763861220
15 -1220016041512187680
16 21892299583455516896
17 -392841376460687116580

[0,-4,60,-1096,19640,-352460,6324596,-113490320,
 2036501104,-36543529620,655747031980,
 -11766903046104,211148507797800,-3788906237314396,
 67989163763861220,-1220016041512187680,
 21892299583455516896,-392841376460687116580]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)