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A050925 as a simple table

n a(n)
0 1
1 -1
2 1
3 0
4 -1
5 0
6 1
7 0
8 -3
9 0
10 5
11 0
12 -691
13 0
14 35
15 0
16 -3617
17 0
18 43867
19 0
20 -1222277
21 0
22 854513
23 0
24 -1181820455
25 0
26 76977927
27 0
28 -23749461029
29 0
30 8615841276005
31 0
32 -84802531453387
33 0
34 90219075042845
35 0
36 -26315271553053477373
37 0
38 38089920879940267
39 0

[1,-1,1,0,-1,0,1,0,-3,0,5,0,-691,0,35,0,-3617,0,
 43867,0,-1222277,0,854513,0,-1181820455,0,
 76977927,0,-23749461029,0,8615841276005,0,
 -84802531453387,0,90219075042845,0,
 -26315271553053477373,0,38089920879940267,0]

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Last modified January 21 22:47 EST 2020. Contains 331129 sequences. (Running on oeis4.)