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A277324 as a simple table

n a(n)
0 2
1 6
2 18
3 30
4 90
5 270
6 450
7 210
8 630
9 6750
10 20250
11 9450
12 15750
13 47250
14 22050
15 2310
16 6930
17 330750
18 3543750
19 1653750
20 4961250
21 53156250
22 24806250
23 727650
24 1212750
25 57881250
26 173643750
27 18191250
28 8489250
29 25467750
30 2668050
31 30030
32 90090
33 40020750
34 1910081250
35 891371250
36 9550406250
37 455814843750
38 212713593750

[2,6,18,30,90,270,450,210,630,6750,20250,9450,
 15750,47250,22050,2310,6930,330750,3543750,
 1653750,4961250,53156250,24806250,727650,1212750,
 57881250,173643750,18191250,8489250,25467750,
 2668050,30030,90090,40020750,1910081250,891371250,
 9550406250,455814843750,212713593750]

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)