n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 18 |
5 | 54 |
6 | 90 |
7 | 270 |
8 | 450 |
9 | 900 |
10 | 1500 |
11 | 4500 |
12 | 6300 |
13 | 18900 |
14 | 31500 |
15 | 52500 |
16 | 78750 |
17 | 236250 |
18 | 330750 |
19 | 992250 |
20 | 1389150 |
21 | 2315250 |
22 | 3858750 |
23 | 11576250 |
24 | 14883750 |
25 | 29767500 |
26 | 49612500 |
27 | 82687500 |
28 | 115762500 |
29 | 347287500 |
30 | 446512500 |
31 | 1339537500 |
32 | 1875352500 |
33 | 3125587500 |
[1,3,9,18,54,90,270,450,900,1500,4500,6300,18900, 31500,52500,78750,236250,330750,992250,1389150, 2315250,3858750,11576250,14883750,29767500, 49612500,82687500,115762500,347287500,446512500, 1339537500,1875352500,3125587500] |