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A159197 as a simple table

n a(n)
0 1
1 4
2 -146
3 -1880
4 63436
5 1471984
6 -45495224
7 -1612749344
8 45140586640
9 2270685496384
10 -56732233335584
11 -3905439437484416
12 85475082054073024
13 7934074594685996800
14 -148274224427133801344
15 -18587578078456375947776
16 285956053044109633474816

[1,4,-146,-1880,63436,1471984,-45495224,
 -1612749344,45140586640,2270685496384,
 -56732233335584,-3905439437484416,
 85475082054073024,7934074594685996800,
 -148274224427133801344,-18587578078456375947776,
 285956053044109633474816]

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Last modified December 16 07:12 EST 2018. Contains 318158 sequences. (Running on oeis4.)