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A119702 as a simple table

n a(n)
0 0
1 2
2 24
3 360
4 3360
5 31500
6 266112
7 2186184
8 17297280
9 133899480
10 1016158000
11 7596797208
12 56073378816
13 409544426200
14 2964295807200
15 21289879620000
16 151876184302080
17 1077036279535260
18 7597848475324800
19 53348055809155800
20 373012706986920000
21 2598270875886525840

[0,2,24,360,3360,31500,266112,2186184,17297280,
 133899480,1016158000,7596797208,56073378816,
 409544426200,2964295807200,21289879620000,
 151876184302080,1077036279535260,7597848475324800,
 53348055809155800,373012706986920000,
 2598270875886525840]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)