n | a(n) |
---|---|
0 | 10 |
1 | 30 |
2 | 90 |
3 | 270 |
4 | 810 |
5 | 2430 |
6 | 7290 |
7 | 21870 |
8 | 65610 |
9 | 196830 |
10 | 590490 |
11 | 1771470 |
12 | 5314410 |
13 | 15943230 |
14 | 47829690 |
15 | 143489070 |
16 | 430467210 |
17 | 1291401630 |
18 | 3874204890 |
19 | 11622614670 |
20 | 34867844010 |
21 | 104603532030 |
22 | 313810596090 |
23 | 941431788270 |
24 | 2824295364810 |
25 | 8472886094430 |
[10,30,90,270,810,2430,7290,21870,65610,196830, 590490,1771470,5314410,15943230,47829690, 143489070,430467210,1291401630,3874204890, 11622614670,34867844010,104603532030,313810596090, 941431788270,2824295364810,8472886094430] |