n | a(n) |
---|---|
0 | 9 |
1 | 25 |
2 | 73 |
3 | 217 |
4 | 649 |
5 | 1945 |
6 | 5833 |
7 | 17497 |
8 | 52489 |
9 | 157465 |
10 | 472393 |
11 | 1417177 |
12 | 4251529 |
13 | 12754585 |
14 | 38263753 |
15 | 114791257 |
16 | 344373769 |
17 | 1033121305 |
18 | 3099363913 |
19 | 9298091737 |
20 | 27894275209 |
21 | 83682825625 |
22 | 251048476873 |
23 | 753145430617 |
24 | 2259436291849 |
25 | 6778308875545 |
[9,25,73,217,649,1945,5833,17497,52489,157465, 472393,1417177,4251529,12754585,38263753, 114791257,344373769,1033121305,3099363913, 9298091737,27894275209,83682825625,251048476873, 753145430617,2259436291849,6778308875545] |