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A163089 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 4
6 3
7 36
8 48
9 96
10 240
11 14400
12 2160
13 518400
14 90720
15 141120
16 1935360
17 1625702400
18 870912
19 131681894400
20 145152000
21 15676416000
22 287400960000
23 1593350922240000
24 14780620800
25 7648084426752000
26 1614043791360000

[1,1,1,1,2,4,3,36,48,96,240,14400,2160,518400,
 90720,141120,1935360,1625702400,870912,
 131681894400,145152000,15676416000,287400960000,
 1593350922240000,14780620800,7648084426752000,
 1614043791360000]

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Last modified May 23 12:41 EDT 2024. Contains 372763 sequences. (Running on oeis4.)