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A157304 as a simple table

n a(n)
0 1
1 1
2 2
3 0
4 -26
5 0
6 1378
7 0
8 -141202
9 0
10 22716418
11 0
12 -5218302090
13 0
14 1619288968386
15 0
16 -653379470919714
17 0
18 333014944014777730
19 0
20 -209463165121436380282
21 0
22 159492000935562428176162
23 0
24 -144654795258284936534929586
25 0

[1,1,2,0,-26,0,1378,0,-141202,0,22716418,0,
 -5218302090,0,1619288968386,0,-653379470919714,0,
 333014944014777730,0,-209463165121436380282,0,
 159492000935562428176162,0,
 -144654795258284936534929586,0]

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Last modified October 26 02:14 EDT 2021. Contains 348256 sequences. (Running on oeis4.)