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A209289 as a simple table

n a(n)
0 1
1 2
2 40
3 2256
4 250496
5 46063360
6 12665422848
7 4866544707584
8 2490379333697536
9 1637285952230719488
10 1344814260872574402560
11 1349528279475362368847872
12 1624638302165034485761966080
13 2310920106523435237448955723776
14 3834278385523271302103123693142016 

[1,2,40,2256,250496,46063360,12665422848,
 4866544707584,2490379333697536,
 1637285952230719488,1344814260872574402560,
 1349528279475362368847872,
 1624638302165034485761966080,
 2310920106523435237448955723776,
 3834278385523271302103123693142016]

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Last modified April 25 12:27 EDT 2024. Contains 371969 sequences. (Running on oeis4.)