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A171660 as a simple table

n a(n)
0 2
1 1
2 1
3 1
4 8
5 1
6 1
7 60
8 60
9 1
10 1
11 472
12 1824
13 472
14 1
15 1
16 3944
17 46576
18 46576
19 3944
20 1
21 1
22 34236
23 1129968
24 3077120
25 1129968
26 34236
27 1
28 1
29 303028
30 27126048
31 171931904
32 171931904
33 27126048
34 303028
35 1
36 1
37 2706800
38 653677408
39 8874639488
40 19720976896

[2,1,1,1,8,1,1,60,60,1,1,472,1824,472,1,1,3944,
 46576,46576,3944,1,1,34236,1129968,3077120,
 1129968,34236,1,1,303028,27126048,171931904,
 171931904,27126048,303028,1,1,2706800,653677408,
 8874639488,19720976896]

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)