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A093571 as a simple table

n a(n)
1 3
2 15
3 120
4 1320
5 2640
6 50160
7 50160
8 451440
9 902880
10 11737440
11 82162080
12 575134560
13 575134560
14 575134560
15 17829171360
16 410070941280
17 410070941280
18 32395604361120
19 1393010987528160
20 1393010987528160
21 65471516413823520

[3,15,120,1320,2640,50160,50160,451440,902880,
 11737440,82162080,575134560,575134560,575134560,
 17829171360,410070941280,410070941280,
 32395604361120,1393010987528160,1393010987528160,
 65471516413823520]

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)