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A134991 as a simple table

n a(n)
1 1
2 1
3 3
4 1
5 10
6 15
7 1
8 25
9 105
10 105
11 1
12 56
13 490
14 1260
15 945
16 1
17 119
18 1918
19 9450
20 17325
21 10395
22 1
23 246
24 6825
25 56980
26 190575
27 270270
28 135135
29 1
30 501
31 22935
32 302995
33 1636635
34 4099095
35 4729725
36 2027025
37 1
38 1012
39 74316
40 1487200
41 12122110
42 47507460

[1,1,3,1,10,15,1,25,105,105,1,56,490,1260,945,1,
 119,1918,9450,17325,10395,1,246,6825,56980,190575,
 270270,135135,1,501,22935,302995,1636635,4099095,
 4729725,2027025,1,1012,74316,1487200,12122110,
 47507460]

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Last modified April 17 22:02 EDT 2024. Contains 371767 sequences. (Running on oeis4.)