n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 19 |
3 | 60 |
4 | 379 |
5 | 1197 |
6 | 7561 |
7 | 23880 |
8 | 150841 |
9 | 476403 |
10 | 3009259 |
11 | 9504180 |
12 | 60034339 |
13 | 189607197 |
14 | 1197677521 |
15 | 3782639760 |
16 | 23893516081 |
17 | 75463188003 |
18 | 476672644099 |
19 | 1505481120300 |
20 | 9509559365899 |
21 | 30034159217997 |
[1,3,19,60,379,1197,7561,23880,150841,476403, 3009259,9504180,60034339,189607197,1197677521, 3782639760,23893516081,75463188003,476672644099, 1505481120300,9509559365899,30034159217997] |