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A156925 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 8
5 -11
6 -6
7 1
8 38
9 -108
10 -242
11 839
12 -444
13 -180
14 1
15 144
16 -425
17 -7382
18 48451
19 -96764
20 -2559
21 257002
22 -312444
23 88344
24 30240
25 1
26 487
27 720
28 -130472
29 1277794
30 -4193514
31 -6504496

[1,1,1,1,8,-11,-6,1,38,-108,-242,839,-444,-180,1,
 144,-425,-7382,48451,-96764,-2559,257002,-312444,
 88344,30240,1,487,720,-130472,1277794,-4193514,
 -6504496]

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Last modified May 11 21:35 EDT 2021. Contains 343808 sequences. (Running on oeis4.)