n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 27 |
4 | 75 |
5 | 189 |
6 | 447 |
7 | 951 |
8 | 1911 |
9 | 3621 |
10 | 6513 |
11 | 11103 |
12 | 18267 |
13 | 29013 |
14 | 44691 |
15 | 67251 |
16 | 98547 |
17 | 140865 |
18 | 197679 |
19 | 272799 |
20 | 370659 |
21 | 497403 |
22 | 658371 |
23 | 859863 |
24 | 1110453 |
25 | 1420527 |
26 | 1799373 |
27 | 2260161 |
28 | 2815401 |
29 | 3479235 |
30 | 4269279 |
[1,3,9,27,75,189,447,951,1911,3621,6513,11103, 18267,29013,44691,67251,98547,140865,197679, 272799,370659,497403,658371,859863,1110453, 1420527,1799373,2260161,2815401,3479235,4269279] |