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A177209 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 3
5 5
6 180
7 1260
8 105
9 945
10 9450
11 34650
12 155925
13 289575
14 12612600
15 1702701000
16 212837625
17 1206079875
18 21709437750
19 412479317250
20 2888510625
21 21655164155625
22 952827222847500
23 128158047517500
24 16436269594119375

[1,1,2,6,3,5,180,1260,105,945,9450,34650,155925,
 289575,12612600,1702701000,212837625,1206079875,
 21709437750,412479317250,2888510625,
 21655164155625,952827222847500,128158047517500,
 16436269594119375]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)