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A199580 as a simple table

n a(n)
0 0
1 2
2 1
3 -3
4 0
5 1
6 8
7 -4
8 -4
9 1
10 -30
11 30
12 15
13 -10
14 1
15 144
16 -216
17 -48
18 84
19 -18
20 1
21 -840
22 1680
23 0
24 -700
25 245
26 -28
27 1
28 5760
29 -14400
30 2880
31 6000
32 -3120
33 552
34 -40
35 1
36 -45360
37 136080
38 -52920
39 -52920
40 39690
41 -9702
42 1071
43 -54
44 1
45 403200
46 -1411200
47 806400
48 470400

[0,2,1,-3,0,1,8,-4,-4,1,-30,30,15,-10,1,144,-216,
 -48,84,-18,1,-840,1680,0,-700,245,-28,1,5760,
 -14400,2880,6000,-3120,552,-40,1,-45360,136080,
 -52920,-52920,39690,-9702,1071,-54,1,403200,
 -1411200,806400,470400]

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Last modified September 19 14:36 EDT 2020. Contains 337178 sequences. (Running on oeis4.)