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A063007 as a simple table

n a(n)
0 1
1 1
2 2
3 1
4 6
5 6
6 1
7 12
8 30
9 20
10 1
11 20
12 90
13 140
14 70
15 1
16 30
17 210
18 560
19 630
20 252
21 1
22 42
23 420
24 1680
25 3150
26 2772
27 924
28 1
29 56
30 756
31 4200
32 11550
33 16632
34 12012
35 3432
36 1
37 72
38 1260
39 9240
40 34650
41 72072
42 84084
43 51480
44 12870
45 1
46 90
47 1980
48 18480
49 90090
50 252252
51 420420
52 411840
53 218790
54 48620

[1,1,2,1,6,6,1,12,30,20,1,20,90,140,70,1,30,210,
 560,630,252,1,42,420,1680,3150,2772,924,1,56,756,
 4200,11550,16632,12012,3432,1,72,1260,9240,34650,
 72072,84084,51480,12870,1,90,1980,18480,90090,
 252252,420420,411840,218790,48620]

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Last modified April 18 02:38 EDT 2021. Contains 343072 sequences. (Running on oeis4.)