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A159281 as a simple table

n a(n)
0 1
1 4
2 -226
3 -2840
4 152716
5 3359984
6 -171346424
7 -5564082464
8 268004512400
9 11844081699904
10 -536337501207584
11 -30808027718598016
12 1304498317340196544
13 94684505764169424640
14 -3725213683295580628864
15 -335691960262188333195776
16 12179757829314204349993216

[1,4,-226,-2840,152716,3359984,-171346424,
 -5564082464,268004512400,11844081699904,
 -536337501207584,-30808027718598016,
 1304498317340196544,94684505764169424640,
 -3725213683295580628864,-335691960262188333195776,
 12179757829314204349993216]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)