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A318249 as a simple table

n a(n)
1 1
2 2
3 4
4 18
5 48
6 480
7 1440
8 20160
9 120960
10 1451520
11 7257600
12 239500800
13 958003200
14 24908083200
15 348713164800
16 6538371840000
17 41845579776000
18 2134124568576000
19 12804747411456000
20 729870602452992000
21 9731608032706560000
22 204363768686837760000
23 2248001455555215360000
24 206816133911079813120000

[1,2,4,18,48,480,1440,20160,120960,1451520,
 7257600,239500800,958003200,24908083200,
 348713164800,6538371840000,41845579776000,
 2134124568576000,12804747411456000,
 729870602452992000,9731608032706560000,
 204363768686837760000,2248001455555215360000,
 206816133911079813120000]

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Last modified May 5 22:20 EDT 2024. Contains 372290 sequences. (Running on oeis4.)