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A110950 as a simple table

n a(n)
3 1
4 3
5 12
6 36
7 383
8 1560
9 19162
10 97680
11 1804643
12 4082400
13 207316912
14 1186043040
15 25595629200
16 266545072080
17 6282386337194
18 26013379392000
19 1682187039875545
20 11884755543091200
21 396276417247253760
22 5491416186030297600 

[1,3,12,36,383,1560,19162,97680,1804643,4082400,
 207316912,1186043040,25595629200,266545072080,
 6282386337194,26013379392000,1682187039875545,
 11884755543091200,396276417247253760,
 5491416186030297600]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)