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A009120 as a simple table

n a(n)
0 1
1 12
2 1680
3 665280
4 518918400
5 670442572800
6 1295295050649600
7 3497296636753920000
8 12576278705767096320000
9 58102407620643984998400000
10 335367096786357081410764800000
11 2365008766537390138108713369600000
12 20007974164906320568399715106816000000 

[1,12,1680,665280,518918400,670442572800,
 1295295050649600,3497296636753920000,
 12576278705767096320000,
 58102407620643984998400000,
 335367096786357081410764800000,
 2365008766537390138108713369600000,
 20007974164906320568399715106816000000]

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Last modified July 17 08:16 EDT 2024. Contains 374360 sequences. (Running on oeis4.)