n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 27 |
3 | 82 |
4 | 207 |
5 | 486 |
6 | 1055 |
7 | 2205 |
8 | 4374 |
9 | 8427 |
10 | 15696 |
11 | 28539 |
12 | 50630 |
13 | 88119 |
14 | 150417 |
15 | 252727 |
16 | 418068 |
17 | 682344 |
18 | 1099343 |
19 | 1750968 |
20 | 2758185 |
21 | 4301682 |
22 | 6645150 |
23 | 10175625 |
24 | 15451744 |
25 | 23281686 |
26 | 34819227 |
27 | 51712860 |
28 | 76292784 |
29 | 111850740 |
30 | 162997314 |
[1,9,27,82,207,486,1055,2205,4374,8427,15696, 28539,50630,88119,150417,252727,418068,682344, 1099343,1750968,2758185,4301682,6645150,10175625, 15451744,23281686,34819227,51712860,76292784, 111850740,162997314] |