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A273464 as a simple table

n a(n)
1 1
2 1
3 3
4 1
5 9
6 24
7 18
8 1
9 18
10 126
11 434
12 762
13 630
14 187
15 1
16 30
17 387
18 2814
19 12699
20 36894
21 69242
22 81936
23 57672
24 21432
25 3135
26 1
27 45
28 915
29 11127
30 90270
31 515970
32 2139120
33 6523428
34 14683401
35 24256853
36 28975770
37 24383838
38 13860321
39 4966929
40 989970
41 81462
42 1
43 63

[1,1,3,1,9,24,18,1,18,126,434,762,630,187,1,30,
 387,2814,12699,36894,69242,81936,57672,21432,3135,
 1,45,915,11127,90270,515970,2139120,6523428,
 14683401,24256853,28975770,24383838,13860321,
 4966929,989970,81462,1,63]

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)