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A156188 as a simple table

n a(n)
0 2
1 1
2 1
3 1
4 10
5 1
6 1
7 80
8 80
9 1
10 1
11 775
12 1520
13 775
14 1
15 1
16 10915
17 25945
18 25945
19 10915
20 1
21 1
22 213720
23 542910
24 624670
25 542910
26 213720
27 1
28 1
29 5245530
30 14690640
31 16408670
32 16408670
33 14690640
34 5245530
35 1
36 1
37 151534685
38 479956020
39 553630850
40 464654480

[2,1,1,1,10,1,1,80,80,1,1,775,1520,775,1,1,10915,
 25945,25945,10915,1,1,213720,542910,624670,542910,
 213720,1,1,5245530,14690640,16408670,16408670,
 14690640,5245530,1,1,151534685,479956020,
 553630850,464654480]

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Last modified May 6 18:59 EDT 2024. Contains 372297 sequences. (Running on oeis4.)