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A027743 as a simple table

n a(n)
0 1
1 2
2 8
3 36
4 160
5 1120
6 6048
7 37856
8 192000
9 1376352
10 8512000
11 59865432
12 261273600
13 2484333600
14 15433134080
15 96689376000
16 520863744000
17 4561057021824
18 27124330415616
19 199503336577688
20 958110720000000
21 8107845416745984
22 56613417213661440
23 388083262835207968

[1,2,8,36,160,1120,6048,37856,192000,1376352,
 8512000,59865432,261273600,2484333600,15433134080,
 96689376000,520863744000,4561057021824,
 27124330415616,199503336577688,958110720000000,
 8107845416745984,56613417213661440,
 388083262835207968]

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Last modified May 23 07:28 EDT 2024. Contains 372760 sequences. (Running on oeis4.)