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A158903 as a simple table

n a(n)
0 1
1 4
2 -2
3 -152
4 -500
5 8944
6 80776
7 -642848
8 -12749168
9 41573440
10 2231658976
11 1443416704
12 -436094810432
13 -2056157249792
14 93821556641920
15 893437853515264
16 -21758068879257344
17 -344342377329425408
18 5280599567735045632
19 132689328525674014720
20 -1275207738062689547264

[1,4,-2,-152,-500,8944,80776,-642848,-12749168,
 41573440,2231658976,1443416704,-436094810432,
 -2056157249792,93821556641920,893437853515264,
 -21758068879257344,-344342377329425408,
 5280599567735045632,132689328525674014720,
 -1275207738062689547264]

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)