n | a(n) |
---|---|
0 | 3 |
1 | 9 |
2 | 27 |
3 | 81 |
4 | 225 |
5 | 507 |
6 | 912 |
7 | 1236 |
8 | 1587 |
9 | 1782 |
10 | 1977 |
11 | 2046 |
12 | 2070 |
13 | 1947 |
14 | 1680 |
15 | 1275 |
16 | 951 |
17 | 600 |
18 | 402 |
19 | 201 |
20 | 114 |
21 | 36 |
22 | 15 |
[3,9,27,81,225,507,912,1236,1587,1782,1977,2046, 2070,1947,1680,1275,951,600,402,201,114,36,15] |