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A181914 as a simple table

n a(n)
1 2
2 16
3 168
4 1920
5 23360
6 296448
7 3880576
8 52015104
9 710360064
10 9849036800
11 138270871552
12 1961643540480
13 28079294676992
14 405035709890560
15 5881791327928320
16 85917550984036352
17 1261588096997916672
18 18611082818941353984

[2,16,168,1920,23360,296448,3880576,52015104,
 710360064,9849036800,138270871552,1961643540480,
 28079294676992,405035709890560,5881791327928320,
 85917550984036352,1261588096997916672,
 18611082818941353984]

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Last modified August 10 13:41 EDT 2024. Contains 375056 sequences. (Running on oeis4.)