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A202189 as a simple table

n a(n)
1 1
2 0
3 1
4 6
5 0
6 1
7 12
8 24
9 0
10 1
11 -20
12 60
13 60
14 0
15 1
16 540
17 240
18 180
19 120
20 0
21 1
22 -882
23 6300
24 2100
25 420
26 210
27 0
28 1
29 -6720
30 -8736
31 35280
32 8960
33 840
34 336
35 0
36 1
37 189936
38 181440
39 13608
40 136080
41 27720
42 1512
43 504
44 0
45 1

[1,0,1,6,0,1,12,24,0,1,-20,60,60,0,1,540,240,180,
 120,0,1,-882,6300,2100,420,210,0,1,-6720,-8736,
 35280,8960,840,336,0,1,189936,181440,13608,136080,
 27720,1512,504,0,1]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)