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A157018 as a simple table

n a(n)
2 1
3 3
4 6
5 6
6 10
7 30
8 15
9 90
10 90
11 21
12 210
13 630
14 28
15 420
16 2520
17 2520
18 36
19 756
20 7560
21 22680
22 45
23 1260
24 18900
25 113400
26 113400
27 55
28 1980
29 41580
30 415800
31 1247400
32 66
33 2970
34 83160
35 1247400
36 7484400
37 7484400
38 78
39 4290
40 154440
41 3243240
42 32432400
43 97297200

[1,3,6,6,10,30,15,90,90,21,210,630,28,420,2520,
 2520,36,756,7560,22680,45,1260,18900,113400,
 113400,55,1980,41580,415800,1247400,66,2970,83160,
 1247400,7484400,7484400,78,4290,154440,3243240,
 32432400,97297200]

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Last modified April 24 08:56 EDT 2024. Contains 371934 sequences. (Running on oeis4.)