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A145618 as a simple table

n a(n)
1 2
2 12
3 12
4 168
5 504
6 5544
7 72072
8 144144
9 2450448
10 46558512
11 4232592
12 97349616
13 97349616
14 41721264
15 1209916656
16 75014832672
17 825163159392
18 5776142115744
19 213717258282528
20 213717258282528
21 1251772512797664
22 53826218050299552

[2,12,12,168,504,5544,72072,144144,2450448,
 46558512,4232592,97349616,97349616,41721264,
 1209916656,75014832672,825163159392,5776142115744,
 213717258282528,213717258282528,1251772512797664,
 53826218050299552]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)