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A135212 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 8
6 576
7 1152
8 2304
9 4608
10 18432
11 552960
12 59719680
13 2388787200
14 100329062400
15 200658124800
16 802632499200
17 1605264998400
18 288947699712000
19 6356849393664000
20 444979457556480000
21 10679506981355520000

[1,1,2,4,8,576,1152,2304,4608,18432,552960,
 59719680,2388787200,100329062400,200658124800,
 802632499200,1605264998400,288947699712000,
 6356849393664000,444979457556480000,
 10679506981355520000]

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Last modified August 23 11:42 EDT 2024. Contains 375396 sequences. (Running on oeis4.)