n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 19 |
4 | 47 |
5 | 163 |
6 | 487 |
7 | 1307 |
8 | 2879 |
9 | 19683 |
10 | 39367 |
11 | 177147 |
12 | 531441 |
13 | 1594323 |
14 | 4782969 |
15 | 14348907 |
16 | 43046721 |
17 | 86093443 |
18 | 258280327 |
19 | 688747547 |
20 | 3486784401 |
21 | 10460353203 |
[1,2,7,19,47,163,487,1307,2879,19683,39367,177147, 531441,1594323,4782969,14348907,43046721,86093443, 258280327,688747547,3486784401,10460353203] |