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A175516 as a simple table

n a(n)
1 2
2 2
3 6
4 12
5 60
6 60
7 252
8 504
9 504
10 504
11 7260
12 7260
13 10296
14 11760
15 11760
16 11760
17 56160
18 56160
19 198016
20 198016
21 1176480
22 1323008
23 2992500
24 6240366
25 13442580
26 13442580
27 37536408
28 37536408
29 90725804
30 90725804
31 319800096
32 319800096
33 319800096
34 800640126
35 2201169600
36 2201169600
37 4656965040
38 5250966084
39 5250966084

[2,2,6,12,60,60,252,504,504,504,7260,7260,10296,
 11760,11760,11760,56160,56160,198016,198016,
 1176480,1323008,2992500,6240366,13442580,13442580,
 37536408,37536408,90725804,90725804,319800096,
 319800096,319800096,800640126,2201169600,
 2201169600,4656965040,5250966084,5250966084]

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Last modified April 19 23:40 EDT 2024. Contains 371798 sequences. (Running on oeis4.)