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A277317 as a simple table

n a(n)
1 3
2 6
3 18
4 30
5 270
6 450
7 630
8 2310
9 6750
10 9450
11 22050
12 510510
13 727650
14 2668050
15 3543750
16 4961250
17 25467750
18 29099070

[3,6,18,30,270,450,630,2310,6750,9450,22050,
 510510,727650,2668050,3543750,4961250,25467750,
 29099070]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)