n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 18 |
3 | 39 |
4 | 81 |
5 | 157 |
6 | 309 |
7 | 576 |
8 | 1042 |
9 | 1885 |
10 | 3338 |
11 | 6011 |
12 | 10569 |
13 | 18321 |
14 | 31851 |
15 | 55717 |
16 | 95320 |
17 | 163580 |
18 | 278208 |
19 | 478807 |
20 | 814329 |
21 | 1374926 |
22 | 2328359 |
23 | 3963782 |
24 | 6656320 |
25 | 11209356 |
26 | 18772741 |
27 | 31524784 |
28 | 53186481 |
29 | 88750072 |
30 | 148471480 |
31 | 247281057 |
32 | 415039507 |
33 | 692181268 |
[1,6,18,39,81,157,309,576,1042,1885,3338,6011, 10569,18321,31851,55717,95320,163580,278208, 478807,814329,1374926,2328359,3963782,6656320, 11209356,18772741,31524784,53186481,88750072, 148471480,247281057,415039507,692181268] |