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A113109 as a simple table

n a(n)
0 1
1 2
2 16
3 440
4 43600
5 16698560
6 26098464448
7 172513149018752
8 4938593053649344000
9 622793203804403960906240
10 350552003258337075784341271552
11 890153650520295355798989668668129280

[1,2,16,440,43600,16698560,26098464448,
 172513149018752,4938593053649344000,
 622793203804403960906240,
 350552003258337075784341271552,
 890153650520295355798989668668129280]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)