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A046521 as a simple table

n a(n)
0 1
1 2
2 1
3 6
4 6
5 1
6 20
7 30
8 10
9 1
10 70
11 140
12 70
13 14
14 1
15 252
16 630
17 420
18 126
19 18
20 1
21 924
22 2772
23 2310
24 924
25 198
26 22
27 1
28 3432
29 12012
30 12012
31 6006
32 1716
33 286
34 26
35 1
36 12870
37 51480
38 60060
39 36036
40 12870
41 2860
42 390
43 30
44 1
45 48620
46 218790
47 291720
48 204204
49 87516
50 24310

[1,2,1,6,6,1,20,30,10,1,70,140,70,14,1,252,630,
 420,126,18,1,924,2772,2310,924,198,22,1,3432,
 12012,12012,6006,1716,286,26,1,12870,51480,60060,
 36036,12870,2860,390,30,1,48620,218790,291720,
 204204,87516,24310]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)