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A002497 as a simple table

n a(n)
1 3
2 12
3 60
4 420
5 4620
6 60060
7 180180
8 360360
9 6126120
10 116396280
11 2677114440
12 77636318760
13 2406725881560
14 89048857617720
15 3651003162326520
16 156993135980040360
17 313986271960080720
18 14757354782123793840
19 14757354782123793840
20 782139803452561073520
21 46146248403701103337680

[3,12,60,420,4620,60060,180180,360360,6126120,
 116396280,2677114440,77636318760,2406725881560,
 89048857617720,3651003162326520,
 156993135980040360,313986271960080720,
 14757354782123793840,14757354782123793840,
 782139803452561073520,46146248403701103337680]

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Last modified May 4 10:30 EDT 2024. Contains 372240 sequences. (Running on oeis4.)