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A012171 as a simple table

n a(n)
0 1
1 2
2 16
3 496
4 24064
5 1908224
6 227958784
7 36620830720
8 7865201852416
9 2142236553248768
10 725477781101608960
11 298762982193334583296
12 146937839959786186080256
13 85124605007437662078894080

[1,2,16,496,24064,1908224,227958784,36620830720,
 7865201852416,2142236553248768,725477781101608960,
 298762982193334583296,146937839959786186080256,
 85124605007437662078894080]

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Last modified May 17 04:33 EDT 2022. Contains 353730 sequences. (Running on oeis4.)