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A277316 as a simple table

n a(n)
1 3
2 6
3 18
4 30
5 270
6 450
7 630
8 6750
9 9450
10 22050
11 2310
12 3543750
13 4961250
14 53156250
15 727650
16 173643750
17 25467750
18 2668050
19 40020750
20 891371250
21 9550406250
22 1400726250
23 3190703906250
24 467969906250
25 173423250
26 16378946718750
27 1715889656250
28 245684200781250
29 25738344843750
30 8497739250
31 510510
32 6763506750
33 66919696593750

[3,6,18,30,270,450,630,6750,9450,22050,2310,
 3543750,4961250,53156250,727650,173643750,
 25467750,2668050,40020750,891371250,9550406250,
 1400726250,3190703906250,467969906250,173423250,
 16378946718750,1715889656250,245684200781250,
 25738344843750,8497739250,510510,6763506750,
 66919696593750]

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Last modified July 24 16:24 EDT 2021. Contains 346273 sequences. (Running on oeis4.)